Re: Semi OT: CRM System in Java

From: GaryM (nospam_at_nospam.com)
Date: 03/25/04 

Date: Thu, 25 Mar 2004 14:21:17 -0000

"sks" <sks@tekremove-me-or-bounceheads.co.uk> wrote in
news:ad2799d5e2b6cfb7ebc5c99dc4155e7e@news.teranews.com:

> Good idea, but there's also the issue of incorrect mail boxes on a
> valid domain.

True, it's always a percentages game with spam and there is no
universal way to validate a user's existence.

One other suggestion is to stick your own header in the autoreponse.
Assuming you are using javamail it is trivial to read the bounce's
content with an InputStream and look for your token. It could be
predefined token, which is easily fooled if a spammer really cares to,
or if it really bothers you, you could generate store the token for
each message with say, a 48hr TTL. Once again if the bounce does not
send back the original then you have a problem.

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