Hey, as far as I remember this issue comes up once in a while since several years. There are postfix configs out there to adress this issue by sending via IPv4 to Gmail.
https://tanguy.ortolo.eu/blog/article109/google-ipv6-smtp-restrictions or https://blog.hqcodeshop.fi/archives/122-Fixing-Googles-new-IPv6-mail-policy-with-Postfix.html Hth On Thu, 23 May 2019, Jared Mauch via Outages wrote:
Date: Thu, 23 May 2019 13:31:28 From: Jared Mauch via Outages <[email protected]> Reply-To: Jared Mauch <[email protected]> To: Robbie Trencheny via Outages <[email protected]> Subject: [outages] Google Mail rejecting IPv6 originated mails Anyone else having this problem? Their system is periodically rejecting mails and reporting it as invalid IPv6 PTR but there have been no changes in my systems, and the help pages at google do not actually provide any additional guidance. - Jared _______________________________________________ Outages mailing list [email protected] https://puck.nether.net/mailman/listinfo/outages
_______________________________________________ Outages mailing list [email protected] https://puck.nether.net/mailman/listinfo/outages
