[Mailman-Users] Bounce issues with Yahoo
lindahl at pbm.com
Thu Mar 2 01:42:24 CET 2006
On Wed, Mar 01, 2006 at 05:43:07PM -0500, Jonathan Dill wrote:
> Are you getting explicit REJECT messages from Yahoo! or some other error?
I'm getting 4XX frequently, and occasionally:
7E7E824F81 634 Wed Mar 1 09:03:21 bar at baz.com
(host mx3.mail.yahoo.com[18.104.22.168] said: 451 VS5-MF Excessive unknown recipients - possible Open Relay http://help.yahoo.com/help/us/mail/spam/spam-18.html (#4.4.5) 22.214.171.124 (in reply to MAIL FROM command))
foo at yahoo.com
What I think this means is that they're noticing that I originate too
much email to Yahoo users that don't exist. It comes and goes, which is
what you would expect for a real-time check.
(FYI, I'm not an open relay, and I'm not in the RBL's you suggested I
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