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doc:appunti:linux:sa:postfix_spamassassin_clamav_dovecot [2023/02/28 09:56] – [Error Command output: Aborted] niccolodoc:appunti:linux:sa:postfix_spamassassin_clamav_dovecot [2023/10/30 10:09] (current) – [Enable SSL, imaps and pop3s] niccolo
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 Once restarted the **dovecot.service**, we will find the services listening on the well known ports, and we can check the SSL certificates. Once restarted the **dovecot.service**, we will find the services listening on the well known ports, and we can check the SSL certificates.
 +
 +==== Client connections are being dropped ====
 +
 +You may encounter wanring messages like these into the mail log:
 +
 +<code>
 +dovecot: master: Warning: service(imap-login): process_limit (100) reached, client connections are being dropped
 +</code>
 +
 +To increase the number of process that are allowed to spawn, edit the **/etc/dovecot/conf.d/10-master.conf** file and set
 +
 +<file>
 +default_process_limit = 200
 +</file>
 +
 ===== SpamAssassin Filter ===== ===== SpamAssassin Filter =====
  
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 </code> </code>
  
-There was a problem with **the filter program responding too slowly**. It is possible to change the **exec timeout**, in this case for the **filter** extension, just add the following in **/etc/dovecot/conf.d/90-sieve-extprograms.conf**:+There was a problem with **the filter program responding too slowly**. It is possible to change the **exec timeout**, in this case for the **filter** extension, just add the following in **/etc/dovecot/conf.d/90-sieve-extprograms.conf** (notice that you can configure ''sieve_pipe_exec_timeout'', ''sieve_filter_exec_timeout'' and ''sieve_execute_exec_timeout''):
  
 <file> <file>
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   # Change the default timeout (10 seconds) for the filter extension.   # Change the default timeout (10 seconds) for the filter extension.
   sieve_filter_exec_timeout = 60s   sieve_filter_exec_timeout = 60s
 +
 +  # Change the default timeout (10 seconds) for the execute extension.
 +  sieve_execute_exec_timeout = 60s
 } }
 </file> </file>
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 <code bash> <code bash>
 #!/bin/sh #!/bin/sh
-/usr/bin/spamc+/usr/bin/spamc --connect-timeout=5 --timeout=15
 </code> </code>
 +
 +Notice that we set two timeouts on spamassassin client, one to connect to the daemon and one to get the result. If the daemon does not respond timely, the message is passed unchanged. Beware that **the timeouts should be lower** than the one specified into the **Dovecot LDA Sieve Extprograms plugin** configuration.
  
 ==== How to Test an User's Sieve Filter File ==== ==== How to Test an User's Sieve Filter File ====
doc/appunti/linux/sa/postfix_spamassassin_clamav_dovecot.1677578209.txt.gz · Last modified: 2023/02/28 09:56 by niccolo