[Discuss] E-mail Server Help?

[mariolzx at gmail.com (Tom Luo)]

What kind server and software are you using? You need to give more details

On Tue, Mar 3, 2020 at 3:44 PM Kent Borg <kentborg at borg.org> wrote:

> I'm getting a complaint from AT&T saying I don't have reverse DNS set up
> correctly.
>
> > host ff-ip4-mx-vip2.prodigy.net[144.160.159.22]
> > said: 550 5.7.1 Connections not accepted from servers without a valid
> > sender domain.flph839 Fix reverse DNS for 64.105.205.123 (in reply to
> MAIL
> > FROM command)
>
> Looks to me like I do. Anyone know what they are complaining about?
>
> Thanks,
>
> -kb
>
>
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