Re: DynDNS Won't Deliver NDRs

[der Mouse <mouse () rodents montreal qc ca>]

> BATV basically does what you want to do.

Well, sort of.  You have to also make your MTA reject NDNs that aren't
to BATV addresses - and reject NDNs where the bounced message doesn't
match the BATV address, so we're back to embedding signatures of some
kind in messages again.

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