You can use only one type of notification from the following ones:

Pushover

A pay service

Please follow this link for more information on how to setup a pushover notification service

Line

A free service

Please follow this link for more information on how to setup a line notification service

Email using SMTP and HTTPS

Please follow this link for more information on how to setup a email notification service

IFTTT webhook

A free service up to 5 applets

Please follow this link for more information on how to setup a pushover iftt service

Telegram

A free service

Please follow this link for more information on how to setup a telegram notification service

The notification will also be sent to the WebUi

How to send message ?

Just add following command in your slicer's end script, or manualy on your GCODE file:
[ESP600]msg pwd=<admin password>

How to ask printer to send command from file played from SD ?

• on Repetier
  M118 [ESP600]msg

• on Marlin
  M118 P0 [ESP600]msg

• on Smoothieware
  echo [ESP600]msg