RE: Help - How to unwind an SRS address?

Tom Lahti <[email protected]> Sat, 20 Nov 2004 12:44:07 -0800
Newsgroups gmane.mail.spam.srs.general
Message-ID <[email protected]>
AAddresses in the form of:

>     SRS0=key@domain-part
>
>Are only used in the database variant of SRS. Those, of course, cannot
>be reversed. :)
>
>If you're a large ISP, sending millions of emails out a day, I reckon
>that the database variant soon becomes impractial, though, as you need
>to keep all those addresses in the DB, for at least several days!
>
>But yes, database addresses cannot be reversed in the manner I described.
>I do not think the OP was referring to those, though.

If the original poster was asking for a way to 100% all the time determine 
the original email address from any SRS1 address that may pass through his 
system, the answer is "you can't".  Not 100%.  If someone somewhere out 
there using database addresses sends an email your way, you aren't going to 
be able to decode it.  You can get maybe close to 100%, but not all the way.


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