"Friends Only"

[Greg Borders]

Greetings list-mates,

The PHB's have discovered the ability of some mail systems that require 
you to "validate" your address before they will accept messages, thus 
avoiding SPAM.  Example, surgemail has a "Friends System" 
http://netwinsite.com/surgemail/friends.htm, and eMoustTrap has a 
package that sits between the MTA and MUA and does the authentication.

Yippie yay, now they want it too. -_-

Without wanting to spark any further heated debates on autoresponders,  
I wanted to query the group and see if there was any slick bolt-ons for 
sendmail / MailScanner / Mailwatch out there that might take advantage 
of some whitelisting mechanisms we already have.  I can see potential of 
a custom script within MailScanner that could send a subscribe/verify 
message, and then auto-add to a whitelist upon receiving a proper 
response from the human sender.

Any ideas folks?


Greg. Borders
Sys. Admin.
JLC Co.

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