North American Network Operators Group

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Re: Problems sending mail to yahoo?

  • From: Mike Lewinski
  • Date: Thu Apr 10 14:26:27 2008


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.

I know that Yahoo does greylisting, and we often have a large queue backup as a result of mailing lists with a lot of @yahoo.com addresses. As long as you keep retrying I find that they do eventually get through.


Between greylisting and sender callback verification, it seems that overall email delivery is increasing in latency and decreasing in reliability.