In my version of mail ( Debian linux 4.0 ) the following options work for controlling the source / reply addresses
- the -a switch, for additional headers to apply, supplying a From: header on the command line that will be appended to the outgoing mail header
- the $REPLYTO environment variable specifies a Reply-To: header
so the following sequence
export REPLYTO=cms-replies@example.com
mail -aFrom:cms-sends@example.com -s 'Testing'
The result, in my mail clients, is a mail from cms-sends@example.com, which any replies to will default to cms-replies@example.com
NB: Mac OS users: you don't have -a , but you do have $REPLYTO
NB(2): CentOS users, many commenters have added that you need to use -r
not -a
NB(3): This answer is at least ten years old(1), please bear that in mind when you're coming in from Google.
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