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avejidah

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I have a question about the Bayesian filter. Many spam messages do not get processed by SpamAssassin because they are evidently too big. I see a similar issue on the forums where someone suggests increasing the max message size in SA, but I can't figure out how to do that, and the thread doesn't give any indication of how: forums.kerio.com/m/35832/?srch=spamassassin+message+is+too+b ig#msg_35832

I grepped through all the config files int he spamassassin/bayes folder, and I can't find anything that indicates the max message size of 128k.

Here's my debug log for a spam message that we get about 5 times a day:
[19/Aug/2011 04:47:58][4600] {spam} Spam Filter: calculating spam rating for message 4e4e4d2e-00000350 from <ProfessionalWomen<_at_>knownjoin.com> to <removed>...
[19/Aug/2011 04:47:58][4600] {spam} Spam Filter: Message is too big. SpamAssassin message size limit is 131072 bytes.
[19/Aug/2011 04:47:58][4600] {spam} Spam Filter: Custom spam rules check finished, adding score 0.00


Here is the header (of course, no bayes score):
Return-Path: <ProfessionalWomen<_at_>needydrop.com>
X-Spam-Status: No, hits=0.0 required=0.5
  tests=TOTAL_SCORE: 0.000
X-Spam-Level: 
Received: from mail.needydrop.com ([74.81.88.140])
  by ###### (Kerio Connect 7.1.4)
  for ######;
  Mon, 22 Aug 2011 05:10:44 -0700
Date: Mon, 22 Aug 2011 08:05:54 -0400
From: Professional Women <ProfessionalWomen<_at_>needydrop.com>
Message-ID: <7152c701-fded-4f29-836f-8f5ae1c0928e<_at_>needydrop.com>
To: ######
Subject: Registry of Distinguished Women
Reply-To: ProfessionalWomen<_at_>needydrop.com
MIME-Version: 1.0
Content-Type: multipart/related;
  boundary="----=_NextPart_000_00C2_01CC5761.E5CAD020"


I normally add static rules for things like this, but we are getting tons of spam, and it's a pain to keep adding rules. The Bayesian filter should be able to figure this out. Is there a way to increase the max message size past 128k?

Some other info:

Kerio 7.1.4 build 2985
Windows Small Business Server 2003, fully updated.
Spam Ratings: .5 Tag, 4 block
Blacklists: All internet blacklists checked
SpamAssassin: "Check every incoming message [...]" is checked. Filter active, 748 learned as spam, 2197 learned as not spam.
Caller ID: on for every message. Add 2 to the score.
SPF: On for every message. Add 2 to the score.
Spam Repellent: On. 5 second delay.

If there is any other info, I can provide, I will be happy to do so. Thanks in advance.
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Kedar

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1. Stop Kerio Connect
2. edit value in mailserver.cfg file: <variable name="MessageSizeLimit">128</variable>
3. save mailserver.cfg
4. start Kerio Connect
  •  
avejidah

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Great, thank you for the help.
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