The Kinguard Project Wiki - User contributions [en]

MailFilter

2020-03-05T09:23:03Z

Göran:

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the appropriate sub folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/before/10-junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
The script needs to be compiled since this can not be done run-time by dovecot as it does not have permissions here
cd /etc/kinguard/sieve.d/before
sievec 10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
"tail -f /var/log/mail.log" is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T08:08:51Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the appropriate sub folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/before/10-junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
The script needs to be compiled since this can not be done run-time by dovecot as it does not have permissions here
cd /etc/kinguard/sieve.d/before
sievec 10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
"tail -f /var/log/mail.log" is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T08:05:04Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
The script needs to be compiled since this can not be done run-time by dovecot as it does not have permissions here
cd /etc/kinguard/sieve.d
sievec junk.sieve

To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve
ln -s /etc/kinguard/sieve.d/junk.svbin /etc/kinguard/sieve.d/before/10-junk.svbin

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
"tail -f /var/log/mail.log" is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:57:37Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
The script needs to be compiled since this can not be done run-time by dovecot as it does not have permissions here
cd /etc/kinguard/sieve.d
sievec junk.sieve

To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
"tail -f /var/log/mail.log" is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:51:56Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
"tail -f /var/log/mail.log" is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:51:13Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Debugging ===
To get some additional information on what is going on, enable mail_debug in /etc/dovecot/conf.d/10-logging.conf
mail_debug = yes
Monitor the tail -f /var/log/mail.log file is your friend here.
=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:48:27Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%n/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%n/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:47:23Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%{auth_username}/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%{auth_username}/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Global filtering ===
If you want to have filters that are executed for all users try the following

Create a location for global scripts
mkdir /etc/kinguard/sieve.d
To be able to run then before and/or after user's personal filters create additional folders
mkdir /etc/kinguard/sieve.d/before
mkdir /etc/kinguard/sieve.d/after

Create scritps in the sieve.d folder, this is a filter for mail marked as spam by spamassasin
Create /etc/kinguard/sieve.d/junk.sieve
require ["fileinto", "mailbox"];
if header :contains "X-Spam-Flag" "YES" {
fileinto :create "Junk";
}
To run it before the users filters
ln -s /etc/kinguard/sieve.d/junk.sieve /etc/kinguard/sieve.d/before/10-junk.sieve

Add the locations to /etc/dovecot/conf.d/90-sieve.conf
sieve_before = /etc/kinguard/sieve.d/before
sieve_after = /etc/kinguard/sieve.d/after

Restart dovecot
systemctl restart dovecot

=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-05T07:25:10Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit /etc/dovecot/conf.d/10-master.conf and change the "mail_location" parameter
mail_location = maildir:/var/opi/mail/data/'''%n'''/mail

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%{auth_username}/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%{auth_username}/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-04T06:42:05Z

Göran:

'''Work in progress.....'''

== Mail and Spam filtering using the Kinguard Project Installation. ==

Today a lot of mail that comes into a mailbox is in dire need of filtering. This can be due to spam or just having multiple email addresses landing in the same account that needs to be sorted in different folders depending on the receiver address.

This is work in progress trying to add this functionality to the Kinguard Project software.

=== Step one: Add spam detection ===
[https://spamassassin.apache.org/ Spamassassin] is a software very commonly used to detect spam. Using [[Access your unit using SSH|ssh]] to log in to your device it can be installed by:

apt update
apt install spamassasin

Edit /etc/postfix.cf, under the smtp line (~line 12) add "-o content_filter=spamassasin" as below
smtp inet n - y - - smtpd
-o content_filter=spamassassin
Next in the same file under the "submission" add the same line:
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o content_filter=spamassassin

Restart postfix
systemctl restart postfix

=== Step two: Mail filtering ===
Dovecot is already setup on the device and we need to add support for Seive. This is done uing [https://pigeonhole.dovecot.org/ Pigeonhole] (the name is very good, well worth reading the leading paragraph on the project page).
This is installed by:
apt install dovecot-sieve dovecot-managesieved dovecot-lmtpd

Edit /etc/dovecot/conf.d/10-master.conf (uncomment/edit as below)
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}

Edit the file /etc/dovecot/conf.d/90-sieve.conf, commenting out the existing sieve line
# sieve = file:~/sieve;active=~/.dovecot.sieve
sieve = /var/opi/mail/data/%{auth_username}/sieve/dovecot.sieve
sieve_dir = /var/opi/mail/data/%{auth_username}/sieve

Edit /etc/dovecot/conf.d/20-managesieve.conf, enable services below by uncommenting them.

service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}

# Number of connections to handle before starting a new process. Typically
# the only useful values are 0 (unlimited) or 1. 1 is more secure, but 0
# is faster. <doc/wiki/LoginProcess.txt>
service_count = 1

# Number of processes to always keep waiting for more connections.
process_min_avail = 0

# If you set service_count=0, you probably need to grow this.
vsz_limit = 64M
}

service managesieve {
# Max. number of ManageSieve processes (connections)
process_limit = 1024
}

Create /etc/dovecot/conf.d/20-lmtp.conf
protocol lmtp {
postmaster_address = admin@localhost
mail_plugins = $mail_plugins sieve
}

Edit /usr/share/roundcube/config/config.inc.php
$config['plugins'] = array(
'archive',
'opi_addressbook',
'opi_identities',
'zipdownload',
'managesieve',
);
and adding to the same file
$config['managesieve_host'] = 'localhost';

Edit /etc/postfix/main.cf and at the end add the line
virtual_transport = lmtp:unix:private/dovecot-lmtp

Restart services
systemctl restart dovecot
systemctl restart postfix

=== Exemple Filters ===
[https://wiki2.dovecot.org/Pigeonhole/Sieve/Examples Examples]

=== Useful links ===
[https://www.fastmail.com/cgi-bin/sievetest.pl Filter tester]
[https://www.fastmail.com/help/technical/sieve-faq.html Small FAQ]

MailFilter

2020-03-03T14:14:38Z

Göran:

MailFilter

2020-03-03T13:48:36Z

Göran:

MailFilter

2020-03-03T13:08:45Z

Göran:

MailFilter

2020-03-03T13:05:01Z

Göran: Created page with "'''Work in progress.....''' == Mail and Spam filtering using the Kinguard Project Installation. == Today a lot of mail that comes into a mailbox is in dire need of filtering..."

Tutorials and How-tos

2020-03-03T07:13:07Z

Göran: Adding section about mail and spam filtering

== Beginner ==

* [[Access your unit using SSH]]
* [[SSH access using private/public key pair]]
* [[Run a backup manually]]
* [[DavDroid Crashes when adding a nextcloud account]]

== Intermediate ==
* [https://www.kinguardproject.org/forum/viewtopic.php?f=345&t=750/ Change to a larger SD card on OPI]
* [[Enable serial console]]
* [[OPIForceReinstall|Reinstall dead OPI]]
* [[MailFilter|Mail and Spam filtering]]