[MLUG] flexible e-mail addresses

[Mike Miller <EMAIL:PROTECTED>]

I believe that it is possible in some e-mail delivery systems to allow 
users to create an unlimited number of addresses that deliver to their 
account.  The kind of system I have seen is where the user has a an 
address such as EMAIL:PROTECTED but they are allowed to augment that 
address by adding things after the plus sign.  For example, the user could 
use EMAIL:PROTECTED when signing up for messages from abc.com.  When 
the e-mail comes in, the recipient is understood to be lsjones and the 
message is delivered to the appropriate account.  The user can configure 
their account to handle messages based on what follows the + sign.  For 
example, all messages sent to lsjones+abc could be put in the abc inbox.

Does anyone know how this can be accomplished in a Linux system?  Have any 
of you used it and is it recommended?  Finally, are spammers hip to the 
plus sign trick and do they strip everything that follows the plus sign 
before sending their spam?

Thanks!

Mike
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