AOL … again

A number of senders are reporting that they’re getting unusual responses from AOL servers. The responses include:

421 Service unavailable – try again later
554 ESMTP not accepting connections

mtain-dk* are assigned reserved IP addresses. It looks like something broke inside AOL again, and lots of places are having trouble delivering mail there.


  1. AOL update – Word to the Wise says

    […] reader has been talking with AOL about the mtain* responses that people were receiving. AOL has said both responses mentioning mtain-* are […]

  2. Denise says

    554 ESMTP not accepting connections
    I have this and cannot send emails to aol address. Although I am receiving other people’s emails.


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