420 Resources unavailable temporarily – Yahoo Delivery Failures

  • Post last modified:August 1, 2012
  • Post category:Web Hosting
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If you are seeing large outbound queue in your email server to Yahoo with following error, there should be a problem from Yahoo MTA:

420 Resources unavailable temporarily. Please try later (mta1392.mail.bf1.yahoo.com)

Yahoo had similar issues in the past.

Ref: http://tech.groups.yahoo.com/group/ymailadmin/message/17

As soon as Yahoo fixes their MTA problem, all your emails should be delivered.

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