[exim] multiple recipients --> single mailbox

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Auteur: Peter Farmer
Datum:  
Aan: exim-users
Onderwerp: [exim] multiple recipients --> single mailbox
Hi all,

I run a large spamtrap domain, which has 1000+ valid aliases pointing
to a single mailbox, as can be expected with spam, a lot of the mails
have multiple recipients and subsequently multiple copies of the
message get delivered to my mailbox as can be seen my the following
log entries:

Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <palmer@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <schmidt@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <garner@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <lucas@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <murray@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <ramos@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <andrews@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n =>
/opt/mail/hbmail.com/spamtrap/Maildir/ <wade@???> R=spamtrap
T=address_directory
Mar 6 10:30:42 adm01 exim: 2007-03-06 10:30:18 1HOWvt-0004IL-9n Completed

Is it possible to have only one copy of the message delivered to the
mailbox as this would save cpu cycles when processing mails for abuse
reporting and bayes learning through not processing dupes.


Thanks,

--
Peter Farmer