Spam Control Considered Harmful

Phil Lawlor phil at
Wed Oct 29 23:06:33 UTC 1997

At 12:56 PM 10/29/97 -0600, Cal Thixton - President - ThoughtPort Authority
of Chicago wrote:
>The problem with the 'Caller-ID' idea is verifying that an email address
is >'valid' (assuming you have a reasonable definition for 'valid').  About
the only >thing that sendmail can do is verify a reverse lookup is equal to
its forward >lookup. 

Exactly.  I guess the question is, should we build more sender verification
into sendmail, on both the sending and receiving side?

Phil Lawlor
Voice - 313-730-1130
Fax   - 313-563-6119

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