It appears that Frank Bulk via mailop <[email protected]> said: >We've been having delivery issues to gmail since November 15 at 12:17 pm >(Central). But there's still lots of email going through, too. > >Here's an example from our mail server's logs: > >Failed <snip> rr=Site gmail.com (2607:f8b0:4001:c5a::1a) said after data sent: >550 5.7.1 https://support.google.com/mail/?p=NotAuthorizedError >75-20020a6b144e000000b007a2a17ef77bsi3551757iou.146 - gsmtp 550-5.7.1 >[2607:fe28:0:4000::10] The IP you're using to send mail is not\n550-5.7.1 >authorized to send email directly to our servers. Please use the >SMTP\n550-5.7.1 relay at your service provider instead. Learn" > >What's interesting is that all the failure come from our email server's IPv6 >address, which has been in place for 5+ years and matching FQDN and PTR.
What's the domain you're sending from and what's the IP address? R's. John _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
