worm emails marked as possible spam
Scott Silva
ssilva at SGVWATER.COM
Thu Dec 1 18:28:18 GMT 2005
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IT Dept spake the following on 12/1/2005 9:15 AM:
> Hi Everyone,
>
> I'm getting tons of complaints from my users that are complaining about
> the amount of "spam" they're getting over the past week or so. These are
> messages with subjects such as "hi, ive a new mail address" and so
> forth. Obviously, it's not really spam, but the result of one of the
> Sober worm variants. But the problem is that although SOME of the
> messages get tagged as high spam, and therefore the users aren't
> notified...many of the messages don't score high enough for that, so get
> tagged as possible spam and the user's inbox gets bigger...some users
> are apparently getting hundreds of these a day.
>
> How do I block these damned things, or at least not have the system
> notify my users about them?
>
> Thanks,
> Chris
>
I looked for one of these and got the following scores;
3.50 BAYES_99 Bayesian spam probability is 99 to 100%
2.17 DCC_CHECK Listed in DCC (http://rhyolite.com/anti-spam/dcc/)
0.77 DIGEST_MULTIPLE Message hits more than one network digest check
0.20 DNS_FROM_RFC_ABUSE Envelope sender in abuse.rfc-ignorant.org
1.45 DNS_FROM_RFC_WHOIS Envelope sender in whois.rfc-ignorant.org
0.14 FORGED_RCVD_HELO Received: contains a forged HELO
1.61 MISSING_MIMEOLE Message has X-MSMail-Priority, but no X-MimeOLE
0.96 NO_REAL_NAME From: does not include a real name
2.70 PRIORITY_NO_NAME Message has priority, but no user agent name
1.50 RAZOR2_CF_RANGE_51_100 Razor2 gives confidence level above 50%
1.50 RAZOR2_CF_RANGE_E4_51_100 Razor2 gives engine 4 confidence level
above 50%
0.50 RAZOR2_CHECK Listed in Razor2 (http://razor.sf.net/)
1.00 RCVD_IN_JAMM Received via a relay in JAMMConsulting
1.50 RCVD_IN_NJABL_DUL NJABL: dialup sender did non-local SMTP
2.05 RCVD_IN_SORBS_DUL SORBS: sent directly from dynamic IP address
1.38 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail)
Spamassassin Score: 22.92
Maybe you need some more tuning?
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