[103661] in North American Network Operators' Group
Re: Problems sending mail to yahoo?
daemon@ATHENA.MIT.EDU (Chris Stone)
Thu Apr 10 14:11:45 2008
Date: Thu, 10 Apr 2008 11:49:13 -0600
From: Chris Stone <cstone@axint.net>
To: nanog@merit.edu
In-Reply-To: <200804101730.m3AHU6FE009874@world.std.com>
Errors-To: owner-nanog@merit.edu
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Barry Shein wrote:
> Is it just us or are there general problems with sending email to
> yahoo in the past few weeks? Our queues to them are backed up though
> they drain slowly.
>
> They frequently return:
>
> 421 4.7.0 [TS01] Messages from MAILSERVERIP temporarily deferred due to user complaints - 4.16.55.1; see http://postmaster.yahoo.com/421-ts01.html
>
> (where MAILSERVERIP is one of our mail server ip addresses)
....
> Just wondering if this was a widespread problem or are we just so
> blessed, and any insights into what's going on over there.
I see this a lot also and what I see causing it is accounts on my servers
that don't opt for spam filtering and they have their accounts here set to
forward mail to their yahoo.com accounts - spam and everything then gets
sent there - they complain to yahoo.com about the spam and bingo - email
delays from here to yahoo.com accounts....
Chris
- --------------------------------------------------------------------
Chris Stone, MCSE
Vice President, CTO
AxisInternet, Inc.
910 16th St., Suite 1110, Denver, CO 80202
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PH 303.592.AXIS x302 - 866.317.AXIS | FAX 303.893.AXIS
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cstone@axint.net | www.axint.net
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