Daniel Hagerty <[email protected]> writes:
> Jack Coats <[email protected]> writes:
>
>> But in the future you might configure a 'secondary email server'.
>> [how to setup a secondary mail server. ]
>
> With a really important addition for modern mail servers: You
> must, must, must ensure that any mail the secondaries accepts will
> deliver, without bounce, on the primary. If [email protected] is
> non-deliverable on the primary, secondaries must reject this recipient
> at SMTP layer.
>
> If this is not true, you will generate backscatter spam, possibly
> ending up on blacklists, etc, etc.
Which is why I do NOT have a secondary MX. I cannot guarantee their
checks and my checks would match.
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
[email protected] PGP key available
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