Public bug reported:
When installing mail-stack-delivery, it generates some custom config files for
postfix and dovecot (to integrate dovecot in postfix for delivery and auth).
After the package is done installing, postfix is restarted to load the new
configuration, but dovecot is NOT restarted.
Because of this, when trying to do STARTTLS, the connection is interrupted and
a message appears in the logs:
Oct 7 22:30:11 nns32-postfix postfix/smtpd[9708]: warning: SASL: Connect to
private/dovecot-auth failed: No such file or directory
Oct 7 22:30:11 nns32-postfix postfix/smtpd[9708]: fatal: no SASL
authentication mechanisms
Oct 7 22:30:12 nns32-postfix postfix/master[9684]: warning: process
/usr/lib/postfix/smtpd pid 9708 exit status 1
Oct 7 22:30:12 nns32-postfix postfix/master[9684]: warning:
/usr/lib/postfix/smtpd: bad command startup -- throttling
This is because SASL authentication through dovecot is enabled but there
is no socket (dovecot wasn't restarted).
root@nns32-postfix:/etc/dovecot/auth.d# cat /etc/postfix/main.cf | grep auth
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = private/dovecot-auth
root@nns32-postfix:~# ls -la /var/spool/postfix/private/dovecot-auth
ls: cannot access /var/spool/postfix/private/dovecot-auth: No such file or
directory
After manually restarting dovecot, the socket gets created and
everything is ok
root@nns32-postfix:~# restart dovecot
dovecot start/running, process 9756
root@nns32-postfix:~# ls -la /var/spool/postfix/private/dovecot-auth
srw-rw---- 1 postfix postfix 0 2011-10-07 22:32
/var/spool/postfix/private/dovecot-auth
I guess this will not happen if dovecot is already configured to open
that socket BEFORE installing mail-stack-delivery, but new installations
will have this bug. Found in natty.
** Affects: dovecot (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/870244
Title:
mail-stack-delivery package install needs to restart dovecot
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