On 2021-12-15 at 10:30:27 UTC-0500 (Wed, 15 Dec 2021 08:30:27 -0700) Rob Nagler via mailop <mailop-bp...@q33.us> is rumored to have said:
> 216.17.132.35 is being blocked by AT&T. We (bivio.com) got the > auto-response (twice) from abuse_...@abuse-att.net, but it's been a week > without a change or email. Random Related Data Point: I have just had a cycle of entirely unexplained IP blocking of that sort from AT&T this week and it appears to have been resolved (no longer getting a fast 5xx reply to MAIL) as soon as I got back the canned response (which took 6 days) despite a warning in that message that it might take 24-48 hours. So that address CAN work, as recently as yesterday. OTOH, so little flow goes through that machine (a tight 1-customer relay for transactional mail to their paying customers from various web apps) that I don't know for sure that they haven't already reinstated the erroneous blocking for the same unknowable reason they did so originally... _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
