North American Network Operators Group
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Re: Problems sending mail to yahoo?

  • From: Eric Esslinger
  • Date: Thu Apr 10 18:25:15 2008
Edward B. DREGER wrote: 
FB> Date: Thu, 10 Apr 2008 13:48:52 -0500
FB> From: Frank Bulk

FB> Q> Does Yahoo! use "greylisting" to reject messages?
FB> A> No.
FB>
FB> http://help.yahoo.com/l/us/yahoo/mail/postmaster/postmaster-05.html

First-hand observations trump claims.


Eddy
--
Everquick Internet - http://www.everquick.net/
A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/
Bandwidth, consulting, e-commerce, hosting, and network building
Phone: +1 785 865 5885 Lawrence and [inter]national
Phone: +1 316 794 8922 Wichita
________________________________________________________________________
DO NOT send mail to the following addresses:
[email protected] -*- [email protected] -*- [email protected]
Sending mail to spambait addresses is a great way to get blocked.
Ditto for broken OOO autoresponders and foolish AV software backscatter.
I see this 'not greylisting' and we are a fairly tiny operation (I had about 20k outbound emails last week) and don't allow people to autoforward email from our servers. I find that yahoo.com destined mail stays in the queue for about 48 hours, with a 1,1,2,4,4,4,4,etc... hour retry.

As I tend to peak at a couple of hundred mail in the queue when things get busy, it's not a problem, but can see where it would be for larger operators.

--
Eric Esslinger
Information Services Manager
Fayetteville Public Utilities
Fayetteville, TN 37334
Phone: 931-433-1522x165   Fax: 931-433-0646
[email protected]

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