Comment 12 for bug 2019195

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Scott Kitterman (kitterman) wrote :

It's actually more complicated than that (now that I've thought it over a bit more), since non-FQDN myhostname values are supported.

If I have:

mydomain = example.com

and either:

myhostname = mail.example.com
myhostname = mail.

Then the expanded value of myhostname is mail.example.com either way. Per the Postfix documentation, a non-FQDN my hostname gets mydomain appended to it.

Just stripping trailing dots breaks that.