very urgent problem with MailScanner + postfix

Ugo Bellavance ugob at CAMO-ROUTE.COM
Fri Nov 7 20:13:29 GMT 2003


> -----Message d'origine-----
> De : Ron E. [mailto:ree at THUNDERSTAR.NET]
> Envoyé : Friday, November 07, 2003 12:59 PM
> À : MAILSCANNER at JISCMAIL.AC.UK
> Objet : Re: very urgent problem with MailScanner + postfix
> 
> 
> 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?
> 
I think you must set all tests concernig dcc to 0 in spam.assassin.prefs.conf

Ugo

> -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
> >
> 




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