[Mimedefang] General Milter Questions
Nathan Findley
nathan at zenlok.com
Mon Nov 12 23:43:59 EST 2012
Hi all,
First of all if there is a better mailing list to send milter api
related questions, please let me know.
I am working on a simple c filter that saves incoming data to disk for
later processing. It does nothing other than make a copy of the mail
and store envelope data. Now that I am working in c, the first hurdle
seems to be increasing the default sendmail confQUEUE_LA / confREFUSE_LA
values in order open the floodgate.
Assuming that sendmail itself is no longer bounding the process, are the
ulimit values the next (and possibly only) remaining issue? I am
starting the filter as a socket and I am seeing a decent number of open
file handles under /proc/<id>/fd during processing which is fine (they
go away after a brief period). I am just wondering: when dealing with a
high volume mail server, is there anything I should be anticipating as
being an issue?
So basically can anybody offer pointers about what I should watch out
for on a general level? Too many open file handles? The socket being
limited in some other way by the kernel's default ulimit values? I know
this is a bit vague, but advice is appreciated.
Thanks for your time,
Nate
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