Mickey at Spamtacular has information about Verizon’s email system that will have relevance for anyone working in delivery.
Verizon has partnered with several megaportal sites depending on which Verizon service a subscriber is using. FiOS customers can pick between AOL and Yahoo while DSL customers get AOL, Yahoo, MSN Premium, or Windows Live to select among. The portal site that you select may also impact email routing.
Over the last week or so a number of people have mentioned problems with delivery to Yahoo. It seems that some emails are being erroneously rejected. Earlier this week, Yahoo posted a message to the Yahoo Postmaster announcement list saying they were aware of the problem and were working on fixing it.
Read MoreYahoo sent out an email yesterday evening to their postmaster mailing list saying they believe they have fixed the issue that I mentioned earlier this week. Some of the MXs were erroneously rejecting mail claiming that the sending IPs were on the XBL.
Read MorePeople are reporting delivery delays into Yahoo over the last day or so. Yahoo is having some general connectivity problems and are working to correct the issue.
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