On Sun, Oct 15, 2023 at 11:40:57AM -0400, Viktor Dukhovni via Postfix-users
wrote:
> > This is rather straightforward with access(5) rules:
> >
> > smtpd_restriction_classes = reject_unfiltered
> >
> > # Allow the filtering service IPv4/IPv6 CIDR blocks and reject
> > # everything e
> On Oct 15, 2023, at 10:40 AM, Viktor Dukhovni via Postfix-users
> wrote:
>
> On Sun, Oct 15, 2023 at 08:52:18AM -0500, B Williams via Postfix-users wrote:
>
>> So what I’m trying to devise is a strategy that would allow me to
>> reject email for some domains if it didn’t come through the spam
On Sun, Oct 15, 2023 at 08:52:18AM -0500, B Williams via Postfix-users wrote:
> So what I’m trying to devise is a strategy that would allow me to
> reject email for some domains if it didn’t come through the spam
> filtering service, but allow messages for other domains to be
> delivered that I do
On 15.10.23 08:52, B Williams via Postfix-users wrote:
There is a spam network that has figured out that they can bypass my spam
filtering service by ignoring the MX record and just sending mail directly
to the mail server. Pretty sneaky.
Spammers do this for decades.
So what I’m trying to d
On 15-10-2023 15:52, B Williams via Postfix-users wrote:
All:
Long time postfix user. I have an internet facing mail server running
Postfix. For about half of my domains, I have them run through a spam
filtering service (like MimeCast/Proofpoint). The other half just come
direct because they
All:
Long time postfix user. I have an internet facing mail server running Postfix.
For about half of my domains, I have them run through a spam filtering service
(like MimeCast/Proofpoint). The other half just come direct because they are
either very low volume or are used for testing/automati
