sendmail

Send email from the command line.

• Send a message with the content of message.txt to the mail folder of local user user_name:

sendmail user_name < message.txt

• Send an email from you@yourdomain.com (assuming your local mail server is configured for this) to test@gmail.com containing the message in message.txt:

sendmail -f test@gmail.com you@yourdomain.com < message.txt

• Send an email from you@yourdomain.com (assuming your local mail server is configured for this) to test@gmail.com containing the file file.zip:

sendmail -f test@gmail.com you@yourdomain.com < file.zip