very urgent problem with MailScanner + postfix

Julian Field mailscanner at ecs.soton.ac.uk
Sat Nov 8 13:32:35 GMT 2003


See my earlier posting about having just re-installed razor myself to force
the servers list to be updated.

At 17:58 07/11/2003, you wrote:
>Thanks, Julian
>
>Ok, so now I've got the output - biggest slow appears to be razor -
>connection attempts that fail...
>
>Anyone know how to selectively turn off razor/pyzor/dcc?
>
>-Ron
>
>On Fri, 7 Nov 2003, Julian Field wrote:
>
> > Set "Debug = yes" as well and it will all appear on your terminal.
> >
> > At 16:51 07/11/2003, you wrote:
> > >Hm, thanks - I started with Debug SpamAssassin = yes but I don't see any
> > >debug data in maillog - do I need to look elsewhere?
> > >
> > >
> > >
> > >On Fri, 7 Nov 2003, David Vosburgh wrote:
> > >
> > > > Try setting "Debug = yes" and "Debug SpamAssassin = yes" in your
> > > > MailScanner.conf file.  Alternatively, you could try to just run
> > > > spamassassin manually on a message in debug mode: spamassassin -D -t <
> > > > message_file.  If you choose the latter, make sure your (if run as
> root)
> > > > /.spamassassin/user_prefs is the same as your MS
> > > > spam.assassin.prefs.conf so you get the same behavior.
> > > >
> > > > Dave
> > > >
> > > > Ron E. wrote:
> > > >
> > > > >Well, interestingly enough, after the backlog cleared out, I
> restarted the
> > > > >incoming postfix and very rapidly developed another backlog - and
> now I'm
> > > > >having the same problem you had - ie - SpamAssassin timed out and was
> > > > >killed...
> > > > >
> > > > >Any idea how to get SpamAssassin to log everything it's doing so I
> can see
> > > > >where it's bombing out - I've got DCC/razor/pyzor going but I've
> disabled
> > > > >the RBLs temporarily - just going really, really slow.
> > > > >
> > > > >I will try the lower scanning settings as below...
> > > > >
> > > > >-Ron
> > > > >
> > > > >On Fri, 7 Nov 2003, David Vosburgh wrote:
> > > > >
> > > > >
> > > > >
> > > > >>I had a different message - "SpamAssassin timed out and was killed,
> > > > >>consecutive failure 1 of 20", but the same general problem (extreme
> > > > >>slowness delivering mail).  My actual problem turned out to be an
> > > > >>ex-user that was forwarding corporate email to a hotmail account that
> > > > >>had hit it's quota. His email was getting bounced back and forth,
> > > > >>growing all the time.  After we changed his alias to /dev/null and
> > > > >>restarted MS, the queue cleared very quickly.  I've since reduced the
> > > > >>number of messages scanned in one pass, Max Unscanned/Unsafe Messages
> > > > >>Per Scan, from 30 (default) to 10.  FWIW, it does appear that my
> system
> > > > >>(Sun 220R w/ 2x450Mhz,1GB RAM) is "happier" with this setting.
> > > > >>
> > > > >>Dave
> > > > >>
> > > > >>Ron E. wrote:
> > > > >>
> > > > >>
> > > > >>
> > > > >>>Great, thanks Dave - yes I just found Monkeys still in my RBL list
> > > so I'll
> > > > >>>check further but just based on that my performance has gone way up
> > > > >>>already.
> > > > >>>
> > > > >>>Did you also have the problem with duplicate truncated messages
> being
> > > > >>>delivered? And messages in the maillog about messages "still being
> > > > >>>delivered"?
> > > > >>>
> > > > >>>
> > > > >>>-Ron
> > > > >>>
> > > > >>>On Fri, 7 Nov 2003, David Vosburgh wrote:
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>>I had a similar problem several weeks ago.  I'd first take a
> look at
> > > > >>>>your mail log file for signs of any delays while running MS.  In my
> > > > >>>>particular case, there were SA timeouts during MS
> processing.  If you
> > > > >>>>want to jump the gun, you could just disable SA in the mailscanner
> > > > >>>>config file, restart MS, and see if things speed up.  If it is
> SA, then
> > > > >>>>turn on debugging to see where things are slowing down.  You should
> > > look
> > > > >>>>at the various net checks going on there (razor/pyzor/dcc and any
> > > > >>>>RBL's).  You could selectively disable each one at a time in the
> > > > >>>>spam.assassin.prefs.conf file to see which one is causing problems.
> > > > >>>>Also, several RBL's have gone out of business in the last few
> > > > >>>>months...you should make sure you aren't using them.
> > > > >>>>
> > > > >>>>Dave
> > > > >>>>
> > > > >>>>Ron E. wrote:
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>>>Hopefully someone will see this very shortly.
> > > > >>>>>
> > > > >>>>>Several days ago I posted a message about the same problem where
> > > > >>>>>mailscanner begins to backlog and errors about messages "still
> being
> > > > >>>>>delivered" show up in the maillog, with hardly any messages
> passed by
> > > > >>>>>mailscanner to the mta.
> > > > >>>>>
> > > > >>>>>I've since upgraded to 4.24-5 due to a backlog starting to happen
> > > again
> > > > >>>>>but it never cleared up and is unfortunately much worse this time
> > > - (much
> > > > >>>>>larger backlog).
> > > > >>>>>
> > > > >>>>>I've temporarily stopped the incoming postfix to give mailscanner
> > > a chance
> > > > >>>>>to catch up, but need some debugging here to get the backlog
> > > cleared out
> > > > >>>>>as fast as possible and to fully fix this...
> > > > >>>>>
> > > > >>>>>Any help would be appreciated.
> > > > >>>>>
> > > > >>>>>Thanks,
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>Ron
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>
> > > > >>>>>
> > > > >>>>--
> > > > >>>>
> > > > >>>>Dave Vosburgh
> > > > >>>>Sr. Unix System Administrator
> > > > >>>>Dallas Semiconductor
> > > > >>>>vosburgh at dalsemi.com  972-371-4418
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>>
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >
> > > > >
> > > > >
> > > >
> >
> > --
> > Julian Field
> > www.MailScanner.info
> > Professional Support Services at www.MailScanner.biz
> > MailScanner thanks transtec Computers for their support
> > PGP footprint: EE81 D763 3DB0 0BFD E1DC  7222 11F6 5947 1415 B654
> >

--
Julian Field
www.MailScanner.info
Professional Support Services at www.MailScanner.biz
MailScanner thanks transtec Computers for their support
PGP footprint: EE81 D763 3DB0 0BFD E1DC  7222 11F6 5947 1415 B654



More information about the MailScanner mailing list