Problems sending mail to yahoo?

Chris Stone cstone at
Thu Apr 10 17:49:13 UTC 2008

Hash: SHA512

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 -; see
>     (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 accounts - spam and everything then gets
sent there - they complain to about the spam and bingo - email
delays from here to accounts....


- --------------------------------------------------------------------
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 at                        |
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