خطا در ارسال ایمیل

[alireza86h]

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Subject: Mail delivery failed: returning message to sender
Message Body
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:

alireza86@gmail.com
host gmail-smtp-in.l.google.com [2a00:1450:400c:c09::1a]
SMTP error from remote mail server after end of data:
550-5.7.1 [2a01:4f8:200:51f5::2] Our system has detected that this message does
550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and
550-5.7.1 authentication. Please review
550-5.7.1 https://support.google.com/mail/?p=IPv6AuthError for more information




Action: failed
Final-Recipient: rfc822;alireza86@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [2a01:4f8:200:51f5::2] Our system has detected that this message does
550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and
550-5.7.1 authentication. Please review
550-5.7.1 https://support.google.com/mail/?p=IPv6AuthError for more information

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