Re: Mail Server best practices - was: Pandora's Box of new TLDs

["Jay R. Ashworth" <jra () baylink com>]

On Sun, Jun 29, 2008 at 07:55:07AM -0700, Roger Marquis wrote:
> Backscatter / NDNs are another issue.  In practice they are no longer
> feasible without assurance that the sender is both valid and legitimate.
> Bounces without these validations are usually spam and will get your server
> blacklisted.

A fine point that I don't see mentioned much is that REJECT-ON-SMTP-DATA
has the nice side effect that if it's real mail, the *sender's* MTA will
generate their bounce for them, and if it's a spammer, they'll ignore
it.

So you get the best of both worlds, which seems an excellent reason to
go through the effort of setting it up that way.

Cheers,
- jra
-- 
Jay R. Ashworth                   Baylink                      jra () baylink com
Designer                     The Things I Think                       RFC 2100
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