WebJun 16, 2024 · If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system : host gmail-smtp-in.l.google.com[2a00:1450:400c:c1b::1a] said: 550-5.7.26 This message fails to pass SPF checks for an SPF record with a hard 550-5.7.26 fail policy (-all). WebSep 25, 2015 · Gmail must be getting a huge number of complaints so I wonder if they're dropped the ipv6 RDNS requirement. Basically, anyone with Exchange 2010 or 2013 and no IPv6 reverse DNS is having issues. I am working on getting revers DNS setup now but it could be a while before the ISP is able to properly delegate the reverse ipv6 zone to our …
GMail rejecting my email - Microsoft Community
WebMay 31, 2024 · It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <******** @ gmail.com>: host gmail-smtp-in.l.google.com [142.250.102.27] said: 550-5.7.26 This message does not have … WebFeb 2, 2024 · email address removed for privacy reasons. Remote Server returned '550-5.7.26 This message does not pass authentication checks (SPF and DKIM both 550-5.7.26 do not pass). SPF check for [mydomain.com] does not pass with ip: 550-5.7.26 [2a01:XXX:fXX0:fe13::202].To best protect our users from spam, the 550-5.7.26 … jisd salary schedule
postfix - gmail is rejecting my e-mails to a recipient with a gmail ...
WebApr 28, 2024 · Gmail blocks Office 365 email - no PTR record. We are receiving an NDR for a mail message sent to a gmail account. It appears that Microsoft needs to update it's PTR record for this IP address: 52.100.171.225. I did a Reverse DNS lookup on it and it points to: mail-bn8nam11hn2225.outbound.protection.outlook.com. WebApr 19, 2024 · Final-recipient: rfc822; [email protected] Diagnostic-Code: smtp; 550-5.7.26 This message does not have authentication information or fails to Last-attempt … WebMar 3, 2024 · We use Thunderbird to send and receive mail through our Sonic accounts. Recently mail sent to gmail addresses is blocked as: The original message was received at Thu, 3 Mar 2024 12:39:17 -0800 from 192-184-193-203.static.sonic.net [192.184.193.203] ----- The following addresses had permanent fatal errors ----- jis dil mein basa tha pyar tera lyrics