I have this in my acl_check_rcpt section
drop message = "Unknown user"
condition = ${lookup{${lc:$local_part@$domain}} dbm {/etc/mail/users.db} {false}{true} }
domains = +relay_to_domains
Which rejects messages that are directed to users that do not exist on my system.
However if a message is sent to such an "Unknown User" with a BCC or CC to a legitimate
user (eg to fred@??? doesnt exist, and cc to wilma@??? does exist) then the legitimate user still receives the message, which is what I want.
But
If messagelabs.com are sending me a message to several of my users, as soon as they get a "Unknown User" rejection then they drop the connection and dont try to send the message to my legitimate users.
is there something wrong with my acl? should I change it? or is it messagelabs?
thanks,
Oliver
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Oliver Howe
Senior Systems Administrator
Tel: +44 (0) 79 7420 6484
Fax: +44 (0) 20 7664 7878
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