Yahoo 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.
A number of people are reporting seeing a new bounce from Yahoo. “smtp;553 Mail from x.x.x.x not allowed – [10]”. My clients have been asking and other people have been asking about this. It seems that something is changing at Y! More information as I hear it.
Read MoreOver 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 announced over the weekend that they fixed their rejection problem. It may take some time to filter out to all their MTAs, but they do believe the issue is resolved.
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