Re: Dovecot 2.4.2 auth unix socket rejects Postfix 3.10.6 handshake with EACCES

John Stoffel via dovecot <[email protected]>
Newsgroups gmane.mail.imap.dovecot
Message-ID <[email protected]>
>>>>> "root" == root via dovecot <[email protected]> writes:

post your dovecot and postfix configs.  And is postfix setup in
chroot?  Debian defaults to chroot for postfix, which can lead to problems.


> Environment: Ubuntu 26.04 (resolute), kernel 7.0.0-30-generic,
> Postfix 3.10.6-4ubuntu2.1, Dovecot 2.4.2+dfsg1-3ubuntu2.1.

> Problem: Postfix smtpd (submission) connects to
> /var/spool/postfix/private/auth but write(VERSION...CPID...) returns
> EACCES. Log: "warning: SASL: Couldn't send handshake: Permission denied",
> then "fatal: no SASL authentication mechanisms".

> Socket permissions are correct (postfix:postfix 0660). Writing to the
> same socket as user postfix from python works. AppArmor in complain mode
> and removed profile - no change. Running postfix master manually (not via
> systemd) still fails. Only real smtpd process fails, python with same
> uid/gid succeeds.

> Workaround: inet listener on 127.0.0.1:3456 for auth works, AUTH succeeds.
> _______________________________________________
> dovecot mailing list -- [email protected]
> To unsubscribe send an email to [email protected]
_______________________________________________
dovecot mailing list -- [email protected]
To unsubscribe send an email to [email protected]
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.