[Discuss] Lost email?

[warlord at MIT.EDU (Derek Atkins)]

Daniel Hagerty <hag at linnaean.org> writes:

> Jack Coats <jack at coats.org> 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 bob at example.com 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
       warlord at MIT.EDU                        PGP key available