Just a thought...if this is primarily a Microsoft thing, affecting several of their products, then maybe the pattern can be excluded.

For the most part, WHITELIST AUTH should resolve issues with mail clients connecting directly to your server, but it's these Web scripts and Web mail programs that will prove to be more problematic.

Matt



Andy Schmidt wrote:

Okay - so if it fails every Outlook 2003 user, it can only be used with a
minimum weight.

Best Regards
Andy Schmidt

Phone: +1 201 934-3414 x20 (Business)
Fax: +1 201 934-9206




-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of R. Scott Perry
Sent: Wednesday, January 07, 2004 10:25 AM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] New CMDSPACE test in latest interim release





As with any test, it does have some false positives. But it appears that they are very low.


How does it work?



From my initial posting about the test:


This one looks for spaces in SMTP commands where there shouldn't be any.



Why it can be triggered by an message sent from Outlook 2003?



Because Outlook 2003 is junk. :)


There are several things that Outlook 2003 does that are not RFC-compliant. I'm guessing that soon lots of people will start whitelisting E-mail sent from Outlook 2003, and then soon after that spammers will add Outlook 2003 headers to their spams.

-Scott




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