On 6/16/23 22:14, Stephen J. Turnbull wrote:
@Mark I've been seeing an unusual number of disabled subscriptions on python.org and mailman3.org lists recently. Maybe we should look into this. If you haven't seen this O365 breakage, I can send you some samples.
I haven't noticed this. I do receive notices when delivery is disabled, and I generally look at the attached DSN, and I don't recall any that have this issue.
We do have an issue with mailman-users@mailman3.org messages for five users in the outlook.com, msn.com and hotmail.es domains. These are all since the server was moved last month and are all for the reason
550 5.7.1 Unfortunately, messages from [165.227.190.41] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [VI1EUR05FT020.eop-eur05.prod.protection.outlook.com 2023-06-17T05:14:54.401Z 08DB6E025E06C828]
with differences only in the bracketed part at the end.
The same five addresses keep getting disabled because I keep re-enabling them, and I have contacted Microsoft about this, so far with no results.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan