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List:       tmda-workers
Subject:    Publishing address splitting policy
From:       "Za'mbori, Zolta'n" <zamboriz () axelero ! hu>
Date:       2003-12-20 12:35:43
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Hi!

I think TMDA would be more usable if there where a standard publication 
method for domain owners of email address extension separatos symbol(s).

With the help of a TXT record in the zone of a domain, everybody can 
decide that prefix-suffix1@domain is the same mailbox as 
prefix-suffix2@domain. Additionaly mailing list manager software can be 
automaticaly strip the suffix before publishing email addresses.

This litle work may make address harvesting much harder.


For example i send/receive letters to/from the tmda-devel list using an 
address like 'me-junk--tmda-devel@domain'. The mailing list manager 
software can publish the 'me-junk@domain' address which is a blackhole 
for junk. Automated spam senders cant reach my mailbox without any 
filtering rule composed by me. If somebody want to send mail to me than 
a challange/response mechanism will handle letters on the 'me@domain' 
address.


What do you think about that?

z2

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