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doc:appunti:linux:sa:postfix_spamassassin_clamav_dovecot [2022/09/30 11:38] – [Dovecot Local Delivery Agent] niccolodoc:appunti:linux:sa:postfix_spamassassin_clamav_dovecot [2023/02/17 15:47] – [Dovecot Local Delivery Agent] niccolo
Line 251: Line 251:
 mailbox_command = /usr/lib/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT" mailbox_command = /usr/lib/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT"
 </file> </file>
 +
 +==== Error stats-writer Broken pipe ====
  
 **WARNING**: At least in **Debian 11 Bullseye** it seems that the **dovecot-lda** sometimes (not always!) tries to write to the **Dovecot Stats Service** using the **/run/dovecot/stats-writer** socket. Unfortunately the socket is owned by **root:dovecot** and has mode **0660** (default Debian settings), whereas the LDA is invoked by Postfix with just the user's privileges. So you will find error messages like this into the mail.log: **WARNING**: At least in **Debian 11 Bullseye** it seems that the **dovecot-lda** sometimes (not always!) tries to write to the **Dovecot Stats Service** using the **/run/dovecot/stats-writer** socket. Unfortunately the socket is owned by **root:dovecot** and has mode **0660** (default Debian settings), whereas the LDA is invoked by Postfix with just the user's privileges. So you will find error messages like this into the mail.log:
Line 278: Line 280:
   * [[https://dovecot.org/pipermail/dovecot/2022-February/124267.html|postfix, dovecot-lda, /run/dovecot/stats-writer socket permision and local user delivery, again]]   * [[https://dovecot.org/pipermail/dovecot/2022-February/124267.html|postfix, dovecot-lda, /run/dovecot/stats-writer socket permision and local user delivery, again]]
  
 +==== Error Command output: Aborted ====
 +
 +Another subtle error with Dovecot LDA can be reported generically into the Postfix log as:
 +
 +<code>
 +postfix/local[1615363]: E85037D1C6: to=<user@domain.tld>, ...
 +    status=bounced (Command died with status 134:
 +    "/usr/lib/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT"". Command output: Aborted )
 +</code>
  
 ===== Sieve filtering ===== ===== Sieve filtering =====
Line 905: Line 916:
 Subject: Attenzione: mailbox quasi piena Subject: Attenzione: mailbox quasi piena
 Date: $DATE Date: $DATE
 +Content-Type: text/plain; charset=UTF-8; format=flowed
 +Content-Transfer-Encoding: 8bit
  
 La tua mailbox è quasi piena; lo spazio occupato ha superato il ${ARG1}%. La tua mailbox è quasi piena; lo spazio occupato ha superato il ${ARG1}%.
doc/appunti/linux/sa/postfix_spamassassin_clamav_dovecot.txt · Last modified: 2023/10/30 11:09 by niccolo