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I've set up a mailserver, which is working fine, but now I wanted to add SMTP authentification using SASL. However, trying to start saslauthd (my system is Ubuntu 16.04) doesn't work, but I don't get any error message as well. This is the my /etc/default/saslauthd, which should be correct for my server (smptd is not running as chroot): /etc/default/saslauthd

I got saslauthd it running at one point (five instances were shown by ps), but when I tested it using telnet it seemed that its interaction with postfix is still not working, so I tried to change a huge number of things, but no matter what I did to revert those changes, I couldn't make saslauthd start again.

This is the strace output when trying to start saslauthd: strace output

I can't find any relevant information about why it doesn't start in this output though.

Does someone have an idea what the cause for this could be? Or what I could do in order to find it out?

Thanks in advance and kind regards

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  • I don't know if this might be of any help, but this is the script in /etc/init.d/ for starting saslauthd: pastebin.com/MjSyxLWG I don't get any error message at all when trying to start the service, it just won't create the five instances it should create.
    – c128linux
    Oct 21, 2016 at 11:01
  • Calling /etc/init.d/saslauthd restart doesn't work (though reporting "ok"), but directly calling "saslauthd -a sasldb -m /var/spool/postfix/var/run/saslauthd -n 5" works. Therefore I can only imagine that saslauthd doesn't possess enough rights when being evoked by the init.d script, but still that's quite strange since this is how it should be done normally.
    – c128linux
    Oct 21, 2016 at 12:21
  • Evoking saslauthd manually didn't work as well, since it won't interact with postfix then. I think it's really odd that calling "/etc/init.d/saslauthd reload" reports "ok", but doesn't create any instance of an saslauthd process. Here' the strace output of "/etc/init.d/saslauthd reload": pastebin.com/MJx6HNwt Maybe someone could take a look at this while comparing it with the /etc/init.d/saslauthd script itself which I also pasted (s. original post)?
    – c128linux
    Oct 21, 2016 at 13:07

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