IPv6 issues with Sendmail-> Gmail
by kq6up from LinuxQuestions.org on (#6HBA4)
I have a small server with static IP addresses, and I am trying to get this to work with good ol' slackware and sendmail. This is error/bounce I get:
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.1 [2600:1700:97f0:2020:8a0d:34cc:xxxx:xxxx] Gmail has detected that this
<<< 550-5.7.1 message does not meet IPv6 sending guidelines regarding PTR records
<<< 550-5.7.1 and authentication. For more information, go to
<<< 550 5.7.1 https://support.google.com/mail/?p=IPv6AuthError q198-20020a8199cf000000b005e76f7c974esi2593221ywg.58 - gsmtp
554 5.0.0 Service unavailable
Any suggestions on fixing this. I think my IPv6 does not have a PTR record, but I could be wrong. I am not sure of what the requirement is for this. Can someone please point me in the right direction?
Thanks,
Chris
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.1 [2600:1700:97f0:2020:8a0d:34cc:xxxx:xxxx] Gmail has detected that this
<<< 550-5.7.1 message does not meet IPv6 sending guidelines regarding PTR records
<<< 550-5.7.1 and authentication. For more information, go to
<<< 550 5.7.1 https://support.google.com/mail/?p=IPv6AuthError q198-20020a8199cf000000b005e76f7c974esi2593221ywg.58 - gsmtp
554 5.0.0 Service unavailable
Any suggestions on fixing this. I think my IPv6 does not have a PTR record, but I could be wrong. I am not sure of what the requirement is for this. Can someone please point me in the right direction?
Thanks,
Chris