Saturday, June 19, 2021

Sending email from command line

To send simple email easily using command line, you can use sendmail command. This command is part of postfix, and should not be confused with the sendmail mail server. You can get this command by installing postfix.

# yum install postfix -y

To use sendmail command, it is very simple. Just run sendmail with a recipient's email address, type your message, and press dot (.) to send the message.
# sendmail
SUBJECT: This is a test email 
Please do not reply, this is just a test email.

Check maillog to see if the email is being sent
# tail /var/log/maillog
Jun 19 08:19:08 myotherserver postfix/smtp[541113]: 35B81402B95B: to=<>
19/0.04/0.02/0, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 92D95960492)
Jun 19 08:19:08 myotherserver postfix/qmgr[541108]: 35B81402B95B: removed

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