cannot send email to gmail

Discussion in 'Installation/Configuration' started by brody182, Dec 13, 2017.

  1. brody182

    brody182 Member

    Undelivered Mail Returned to Sender
    host aspmx.l.google.com[2607:f8b0:4003:c10::1b]
    said: 550-5.7.1 [2600:3c00::f03c:91ff] Our system has detected
    that this 550-5.7.1 message does not meet IPv6 sending guidelines regarding
    PTR records 550-5.7.1 and authentication. Please review 550-5.7.1
    https://support.google.com/mail/?p=IPv6AuthError for more information 550
    5.7.1 . m3si122272oia.134 - gsmtp (in reply to end of DATA command)

    What kind of settings am I missing in my DNS?
     
    Last edited: Dec 14, 2017
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Most likely your IPv6 address has no PTR record.
     
  3. brody182

    brody182 Member

    Last edited: Dec 13, 2017
  4. brody182

    brody182 Member

    I think need a PTR-record for my ipv6
    do I need to add this in DNS Zones -> DNS ptr ?
    can you add this feature permanently in ispconfig?
     
  5. brody182

    brody182 Member

  6. florian030

    florian030 ISPConfig Developer ISPConfig Developer

  7. brody182

    brody182 Member

    what hostler? do you mean domain registrar? or on my server?
    also how do I setup Reverse DNS in ispconfig?
     
  8. florian030

    florian030 ISPConfig Developer ISPConfig Developer

    the server-hoster. i think, that you did the same for the ipv4
     

Share This Page