![]() ![]() ![]() However, it isn't consistent in allowing pattern checks on any email field (notably we can't apply any filters to "From:" which the spammers seem to fill with lots of useful "I'm spam" indicators e.g., "From: Discounted Cars Nor does it allow powerful pattern matching (e.g., decent regexps).Ībsence of regexps means false positives and false negatives. The ability to eliminate (spam) email by checking for certain string patterns using some simple wild string matches (text with asterisks for wildcards).Graylisting (simply ignoring a first email from sites previously unseen real mailers at such sites resend after a bit so such mail gets through, but spammers almost never resend). ![]() 1% of 10K spam messages per day is still really a pain. Spam is a constant problem we get thousands of spam messages a day and manage to remove most of the spam by using a filter on our incoming SMTP port. We operate a small Windows shop with Exchange. ![]()
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