Al 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.
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 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.
Read MoreRoadrunner shifted the release date for their new FBL to December 14th.
Despite rumors, the Yahoo FBL is not actually accepting new participants.