AOL problems

Lots of people are reporting ongoing (RTR:GE) messages from AOL today.  This indicates the AOL mail servers are having problems and can’t accept mail. This has nothing to do with spam, filtering or malicious email. This is simply their servers aren’t functioning as well as they should be and so AOL can’t accept all the mail thrown at them. These types of blocks resolve themselves. 
Update Feb 8, 2016: AOL users are having problems logging in. Word to the Wise cannot help you. Please do not contact us for help. Contact AOL directly.

Ignoring opt-outs
A good example of 3rd party email

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AOL update

A reader has been talking with AOL about the mtain* responses that people were receiving. AOL has said both responses mentioning mtain-*.r1000.mx.aol.com are actually DNY:T1 bounces that are being presented incorrectly. Both responses should be treated the same as 421 DYN:T1.

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Retrying mail to AOL

I’m working on stuff for MAAWG so I’m really not all that up on what’s happening in the world of email recently. A lot of folks are commenting on my AOL post, and I’m hearing that queues are backing up and emptying as AOL makes changes.
One thing people have been asking me is if they should retry mail to the addresses that are bouncing. I say yes, absolutely. Some of the error messages are related to real filters, but there seems to be quite a bit of slop in the filters these days. I think, though, that the recipients do exist and removing the addresses from future mailings is premature.

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AOL improving

I’m hearing from lots of folks that they’re seeing some improvement in delivery to AOL accounts.
As everyone can imagine, the AOL situation has been a common thread of discussion on many delivery lists. One person even commented at how fragile the AOL mail server seems. My own thoughts are a little different. The AOL mail system is notoriously complex and integrated. Many of the folks who built it have been laid off or otherwise moved on to other companies. I know there are still smart, competent people riding herd on the AOL mail servers, but I expect they don’t have the resources to do the ongoing maintenance and the fire fighting and all the other tasks that a mailserver handling billions of emails needs.
What this means is that the AOL mail system has been suffering from bit rot for at least 2 years. It is to the original designers’ credit that it’s taken this long before there were major problems like we’ve seen over the last week.

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