[GTALUG] Postfix question

Tim Tisdall tisdall at gmail.com
Sun Jan 31 10:20:52 UTC 2016


Even if it's not spam, gmail can have issues with forwarded emails because
the "from" domain won't match your server which can trigger spam filters.
On Jan 30, 2016 12:33 PM, "Blaise Alleyne" <email+libre at blaise.ca> wrote:

> On 30/01/16 11:34 AM, William Witteman wrote:
> > I am running a mailserver (Postfix, Dovecot, Spamassassin), and I have
> > some virtual alias maps that send some email to gmail addresses.
> >
> > My question is, is there a way to see if postfix is forwarding the
> > email to the alias list *before* it runs the spam checking?  Because I
> > think it might be, which means that I am trying to send spam to gmail,
> > which they take a dim view of (refusing all connections an gumming up
> > my queue).
> >
> > If this is happening, can I get postfix to weed out the spam before
> > running the virtual aliases?
> >
>
> I'm not sure about the answer to your question, but I've had similar
> problems,
> and I've found that it's much safer to require Gmail users to pull via
> POP3 than
> to forward mail to a Gmail address.
>
> There's no risk of getting your mail server blackholed by Google if you go
> the
> POP3 route. And trust me, having all your email disappeared by Google is
> not fun.
>
>
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