Sending Email

Asuswrt-Merlin includes a cutdown version of sendmail which can be used to send mail from the router. Basic usage will look like this:

echo "This is a test email." | /usr/sbin/sendmail -S"smtp.yourisp.com" -f"router@domain.com" you@domain.com

You can send a more proper Email by writing the mail to a file, and then piping it to sendmail. The following example, if saved as a wan-start script, will make your router send you an Email whenever the WAN interface comes up, containing the WAN IP:

(WIP)