I used a domainname. since a few yers it has been superseded by 
another. I have alwis set the mail servers to accept also addresses with 
the other domainname.
Now almost all the mail that arrive at the old address is spam.
We decided to "kill" that domain. However a couple of user have 
subscriptions with those addresses and are unable to change in a 
reasonable time.
My idea would be to set in exim conf something that for those users 
accept e mail (easy) but for all other possible addresses gave a strong 
message that the user and domain are no longer active (550 is enought 
?)
This differently fron default for all other domain that senda back a 
message with possible hints.
Possibly at rcpt time, not after data !
(of course: what would happen if somone send a message to two 
recipient, [EMAIL PROTECTED] and [EMAIL PROTECTED] ???? consider that 
such message are most likely spam but i can see some messages sent 
to [EMAIL PROTECTED] and [EMAIL PROTECTED] , were user1 is an user 
gone since many years, whose address is in a old magazine that of 
course never notified abut change of address, and user2 is perfectly ok, 
and this is not spam)
  --
Leonardo Boselli
Nucleo Informatico e Telematico del Dipartimento Ingegneria Civile
Universita` di Firenze , V. S. Marta 3 - I-50139 Firenze
tel +39 0554796431 cell +39 3488605348 fax +39 055495333
http://www.dicea.unifi.it/~leo


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