Re: Performance Issues - PTR Records

[Valdis.Kletnieks () vt edu]

On Mon, 07 Nov 2011 01:09:19 CST, Robert Bonomi said:

> You're missing some 'obvious' considerations.  Consider a spam complaint
> sent with 'full headers' included.  The rDNS _at_the_time_of_the_crime_
> is present in the complaint.

And if the rDNS isn't provided, any sane MTA will have included the IP address
and timestamp involved, which shouldn't take you all *that* much longer to
track down to one of your users.

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