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.
Yahoo 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.
Read MoreLast week Jon left a comment on my post Following the Script. He gives a familiar story about how he’s having problems contacting Yahoo.
Read MoreAl writes about a Yahoo delivery problem where they have identified a particular Yahoo MX that is falsely returning “mail blocked due to XBL.” The IPs in question are not on the XBL. Yahoo is aware of the issue and are working on a resolution. If you are seeing these bounces, Yahoo is aware of the issue. Exacttarget has worked around the issue by suspending deliveries to the affected MX.
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