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Posted to users@spamassassin.apache.org by Jeff Chan <je...@surbl.org> on 2005/05/05 10:33:57 UTC
Re: [SPAM-TAG] Re: [SPAM-TAG] Content type allowing spammers to evade URIBL
On Thursday, May 5, 2005, 12:10:32 AM, Jeff Chan wrote:
> On Wednesday, May 4, 2005, 9:21:11 PM, Craig Baird wrote:
>> Today, I've received a number of spams containing a domain that is listed on
>> almost all the SURBL lists. I've recieved around 10 of these today, and none
>> of them have hit on any of the SURBLs despite the domain being listed. Here
>> is the message:
[...]
>> ----09-5[5]-3237-7[3]-087[3]
>> Content-Type: ;text/plain;
[...]
>> If you'll notice, the content type is shown as ";text/plain;". It seems that
>> the semicolons are causing Spamassassin not to parse the mail properly. If I
>> run the message through SA as-is, it hits on no SURBLs. However, if I remove
>> the semicolons, and run it again, it hits on all the SURBLs. Needless to say,
>> it would seem some sneaky spammer has found another loophole...
>> Craig
> SA devs, should this get a bugzilla?
> Jeff C.
BTW I can duplicate Craig's results.
Jeff C.
--
Jeff Chan
mailto:jeffc@surbl.org
http://www.surbl.org/