The Linux / Unix command line has a command called “mail”. ┬áThe problem with mail is that all the emails will come from root@localhost or whatever user you are using to run the “mail” command.

In order to override the from email, you must invoke the “sendmail options, which is done by doing a double dash (–) and then the -f command like so

That’s all there is to it, the -f is the sendmail option for “From” which will get set when the email goes out

Refer to the mail and the sendmail man pages for more info

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