how to change from address using shell mail command?

[chrcol]

Hi

I am trying to do what I thought would be a very simple thing and that is send mail using the mail command but not have it come from user@server.hostname but able to set the from address. The reason is nagios emails.

Seems the tricks I have found do not work on the freebsd mail binary.

my mail smtp daemon is exim.

exim itself supports -f sender but it doesnt allow me to set the subject on the command line, so I need to be able to specify the subject and from address on the command, thanks.

 

[OH]

If you know how to add a subject with the mail command, you can use the exim rewrite configuration to have it adjust the sender address.

 

[chrcol]

yep I seen that page, isnt clear enough tho I couldnt get it to work, you have an example line I could use?

eg. to change

root@server.com to me@domain.com

 

[chrcol]

ok I found a site which gives examples and I seem to have it working now, worked from mail on shell

 

[ltning]

Would you mind much sharing the solution?

 

[chrcol]

Sure.

In exim.conf add a rewrite section like this.

begin rewrite

nagios@originaldomain.com "Nagios psuedo-user <nagios@domainyouwant.com>" Ffrsbc

Also the user who is sending the email, in my case the nagios user has to be a trusted user in the exim config.