[Pkg-exim4-users] Google complains that I don't have an IPv6 PTR record

[Rob van der Putten]

Hi there


Brian E. Lavender wrote:

> My mail server has an IPv4 address, but now that I moved to a new ISP, it
> complains that I don't have a PTR record. I tried putting in DKIM thinking
> that would fix the issue, but I don't see any signing headers either in
> my outbound email.
>
> Any tips?

Do you have a matching reverse?

> brian
>
>
> 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:
>
>    brieweb at gmail.com
>      SMTP error from remote mail server after end of data:
>      host gmail-smtp-in.l.google.com [2607:f8b0:400e:c04::1a]:
>      550-5.7.1 [2601:646:8f00:d900:2e0:81ff:fe2f:7041] Our system has detected that
>      550-5.7.1 this message does not meet IPv6 sending guidelines regarding PTR
>      550-5.7.1 records and authentication. Please review
>      550-5.7.1  https://support.google.com/mail/?p=ipv6_authentication_error for more
>      550 5.7.1 information. b14si1009229pat.152 - gsmtp


Regards,
Rob
-- 
ICS is evil. Abolish ICS.