Tool Email setup/troubleshooting
From MikroTik Wiki
Setup and troubleshooting RouterOS email function
Go to /tool e-mail with the CLI or Winbox
Enter the email server ip
Enter the "from" address. This must be a valid format and domain.
Enter a username and password only if the email server requires it.
Go to /system logging
add topic=e-mail action=memory
Try a test email</br> /tool e-mail send to=you@yourdomain.com subject="test" body="test"