Hello,
I'm pretty sure Postfix will not handle that by itself. IIRC you have a
corresponding feature in Amavisd-new ("pen pal") that will store recipient
addresses of outgoing messages into a DB (redis, memory or SQL) and use that
info when a reply is coming in.
Never tried it, though.
patpro
August 30, 2021 1:01 PM, "Sebastian Hyrwall" <[email protected]> wrote:
> Hi
>
> Hope someone can help me with this. Feels like it should be simple.
>
> I would like to whitelist any sender that a user on my mail server has sent
> an email to. Overriding
> some spamchecks,greylisting etc, depending on where it is in the
> smtpd_recipient_restrictions
> order.
>
> For example,
>
> [email protected] sends an email to [email protected] . The server
> handling keff.org puts
> [email protected] in a whitelist.
>
> Any emails from [email protected] is now whitelisted and bypasses
> most spam checks.
>
> Is there any way of doing this? Maybe i've missed something obvious.
>
> The reason I thought of trying this is because I recently had emails sent to
> a completely legit
> domain that happened to reside on some shared server which got dnsbl listed
> everywhere.
>
> Thank you
>
> // Sebastian H
