Mail delivery failed: returning message to sender
Mail Delivery System via Gdb <[email protected]>
| Newsgroups | gmane.comp.gdb.devel |
|---|---|
| Message-ID | <[email protected]> |
This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: [email protected] (ultimately generated from [email protected]) host gmail-smtp-in.l.google.com [142.251.12.27] SMTP error from remote mail server after end of data: 550-5.7.26 This mail has been blocked because the sender is unauthenticated. 550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM. 550-5.7.26 550-5.7.26 Authentication results: 550-5.7.26 DKIM = did not pass 550-5.7.26 SPF [sourceware.org] with ip: [199.250.203.210] = did not pass 550-5.7.26 550-5.7.26 To mitigate this issue, please visit Gmail's authentication guide 550-5.7.26 for instructions on setting up authentication: 550 5.7.26 https://support.google.com/mail/answer/81126#authentication h26-20020a056a00001a00b006bf537ce976si4164587pfk.260 - gsmtp
(unnamed)
(message/delivery-status, 792 B) - not displayed
(unnamed)
(message/rfc822, 1 KB) - not displayed