trimMail gets rebuked

Posted by joy

When I read this blog entry by trimMail, I thought something was a bit amiss, (I mean besides the fact some email delivery company was complaining about the problems with Yahoo mailservers).
As it turns out, the discussion on Slashdot has been pretty enlightening. My one takeaway is the comment about Yahoo’s use of greylisting, which from what I know about Yahoo delivery, sounds like it’s on target. Basically, if you act like a probe (like the trimMail mailserver tool monitoring port 25), you’ll get greylisted while if you act like a legitimate MTA and resend later, you shouldn’t have problems.

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