Hi, On Thu, Sep 12, 2019 at 3:14 AM Chris Wedgwood <[email protected]> wrote:
> > I have a postfix-3.2.6 system that acts as a mail server and > > pop/imap using dovecot for a small domain. The problem is that > > people are increasingly using it as a relay to a personal account, > > such as Gmail and Yahoo. > > perhaps i misunderstand > > they are sending email from gmail/yahoo addresses from your MTA? if > so those will get blocked in many cases and marked as spam in many > others > No, the issue is with people sending them email to their address on our system which is then forwarded on to some remote system - a digitalwest system in my example, but I'm also concerned with other systems, including gmail and yahoo, of course. Do mail providers like digitalwest typically allow forwarding from their accounts through to other providers? With no easy solution, what do most providers do? Is SRS in practical use? Is the general recommendation that it should be implemented in situations like this, or is disabling forwarding more common? Is the policy of most systems to reject on SPF fail? Thanks so much for everyone's help.
