Send notification or email with ESP8266 via AT Command

Hello,
I'm using Arduino Uno with ESP8266.
I would like to know if it is possible to send any kind of message like email or notification or something else, ....) by AT Command.
Purpose is to send a warning message.

I'm already using AT command in my schetch to send data to thinkspeak so I would prefer to keep AT command for sending this warning

Thanks in advance for your help