This is most likely a DNS issue. Make sure you have a reverse DNS entry
for your mail server, and set up an SPF record for your domain. This
usually will clear up issues like this with yahoo, msn, and AOL.
-----Original Message-----
From: exim-users-bounces@??? [
mailto:exim-users-bounces@exim.org]
On Behalf Of sal983
Sent: Tuesday, November 27, 2007 6:43 AM
To: exim-users@???
Subject: [exim] Getting 421 message
Hello,
When sending mails from our exim mail server to yahoo getting the
following
error message and sometimes yahoo allowing the mails to deliver to
"spam"
folder.
"2007-11-27 17:00:07 1Ix7Wm-0004RS-DZ == testmail@??? R=external
T=remote_smtp defer (0): SMTP error from remote mail server after
initial
connection: host a.mx.mail.yahoo.com [209.191.118.103]: 421 Message from
(87.87.87.87) temporarily deferred - 4.16.50. Please refer to
http://help.yahoo.com/help/us/mail/defer/defer-06.html"
where "87.87.87.87" is our mail server IP.
Any help would b great appreciable.
Thanks,
Muhammed Afsal K.S
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