Copy outgoing mails with sendmail

[timjturner]

I want to copy all outgoing mails to another account.

I can copy incoming OK with the Mail aliases, but how do I do outbound?..is it possible

 

[timjturner]

Apparntly I can set up a milter (see sendmail docs, will maybe need to upgrade sendmail
also) that checks the header info and then adds a recipient to the
message. MIMEdefang has most of what I
need(

http://www.roaringpenguin.com/mimedefang/).