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6.8

Letting users unsubscribe from asp/sqlserver DB mailing list (the best way?)

Asked by simplicitytheory in Active Server Pages (ASP)

Tags: unsubscribe

Hi all,

I have just built my first mailing list, just wondering if anyone out there could show me the best way to enable these users to unsubscribe themselves safely. (I just have a int field for (number id) and text (email) field for their email address)

Sometimes in the mailing lists I am subscribed to there isnt really much protection where unsubscribing as in the link in the email is usually something like.

http://www.website/unsub.asp?Email=the%40email%2Eaddress

And other people can just go in and enter someone elses email address and illegally unsubscribe another user direct fromt he web page.


One way I could do it I guess is buy having a large identity seed difference (101) or something.
But usually I see a lot of unscription links like:
http://website.com/index.cfm?n15001s3658c23440499t3514e213624583o169324
Which obviously makes it practivally impossible to decifier.

I presume this is some kind of formula or?

Any help would be great.



[+][-]08/16/06 11:08 PM, ID: 17331962Accepted Solution

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About this solution

Zone: Active Server Pages (ASP)
Tags: unsubscribe
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Solution Provided By: Dragonlaird
Participating Experts: 3
Solution Grade: A
 
[+][-]08/16/06 11:09 PM, ID: 17331966Expert Comment

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