SMTP over IPv6 : gmail classifying nearly all IPv6 mail as spam since 20140818

[Jernej Horvat]

Matija Grabnar wrote on 22. 08. 2014 11:46:
>
> So, much as I would LIKE to have reverse IPv6 DNS on my mail servers, in some cases it is just not possible.
>

till then you can use simple postfix trick

master.cf:
smtpipv4   unix    -       -       -       -       -       smtp
        -o inet_protocols=ipv4


transport:
domain.tld            smtpipv4:


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