Demi Marie Obenour via Postfix-users:
> > While Postfix can to some extent enforce envelope to sender mismatches,
> > the real concern is usually the "From:" header, ... whose content is not
> > the MSAs job to enforce.
>
> A milter must be used for this. Since this, along with DMARC, is a
> core
On 4/11/23 17:24, Viktor Dukhovni via Postfix-users wrote:
> On Tue, Apr 11, 2023 at 03:34:09PM -0300, Roberto Carna via Postfix-users
> wrote:
>
>> But we have realized that if we send messages using another domains
>> than ourdomain1.com, the messages reach the recipients in Gmail,
>> Hotmail a
On Tue, Apr 11, 2023 at 03:34:09PM -0300, Roberto Carna via Postfix-users wrote:
> But we have realized that if we send messages using another domains
> than ourdomain1.com, the messages reach the recipients in Gmail,
> Hotmail and other public mail platforms.
Perhaps as well considering how to a
On 4/11/2023 1:34 PM, Roberto Carna via Postfix-users wrote:
Dear all, we have set up Postfix 3.4.14 in a Debian 10 host as a SMTP
relay server.
All of our hosts send mail alerts using our Postfix relay server,
using our main mail domain (suppose ourdomain1.com).
But we have realized that if we
