[Mimedefang] Seeing weird SMFI errors
philipp_subx at redfish-solutions.com
Mon Jul 27 02:11:09 EDT 2015
On Jul 26, 2015, at 11:26 PM, Philip Prindeville <philipp_subx at redfish-solutions.com> wrote:
> On Jul 26, 2015, at 7:42 PM, Dianne Skoll <dfs at roaringpenguin.com> wrote:
>> On Sun, 26 Jul 2015 18:03:38 -0600
>> Philip Prindeville <philipp_subx at redfish-solutions.com> wrote:
>>> Jul 26 17:44:31 mail mimedefang: t6QNhOYb027848:
>>> smfi_addheader returned MI_FAILURE
>> Sendmail timed out (that's in the Milter (mimedefang): timeout before
>> data read log line) so it tempfailed the mail and exited.
>> MIMEDefang, of course, had no idea that happened. So when filter
>> processing is finally done and mimedefang tries to call
>> smfi_addheader, the original Sendmail process is long gone and the
>> milter pipe is broken, hence the libmilter call fails.
> Okay, thanks. So the next question… how to fix it? Would increasing the milter timeouts resolve the issue?
> I’m currently configured as:
> Xmimedefang, S=unix:/var/spool/MIMEDefang/mimedefang.sock, F=T, T=S:1m;R:1m;E:5m
> (I guess ‘C’ is just defaulting to 300, which is hardcoded in sendmail/milter.c …)
> Or could it be that something is just hanging indefinitely, and if so, how do I go about fixing this? Because 1 minute seems like a REALLY long time to wait on sending or receiving data…
Update: I changed the timeout argument to T=S:2m;R:2m;E:10m and rebuilt sendmail.cf, then restarted the service.
The problem seems to have gone away, but I’m not sure why.
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