Re: backup exchanger

[Charles Cazabon <qmail@xxxxxxxxxxxxxxxxxxxx>]

Bob Ababurko <bob@xxxxxxxxxxxxx> wrote:
>
> > More recently, spammers started deliberately sending everything to
> > non-primary backup MXes (where they exist) because it was common for those
> > machines to have less filtering.
>
> So this means that more than likely, more spam will be my users inbox?

No, that does not follow.  That will only be the case if (a) you're doing
filtering on the primary, (b) doing less (or no) filtering on the secondary,
and (c) messages from the secondary bypass the filters on the primary.

> Is there any way to make sure that the mail getting sent from the secondary
> to the primary, or _ALL_ mail hitting the primary for that matter has to be
> scanned via AV and spamassin?

Yes.  See the documentation for how to set it up, and then don't configure any
exceptions.

Charles
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Charles Cazabon                               <qmail@xxxxxxxxxxxxxxxxxxxx>
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