Question

The messages transfer it using ___ protocol are accept only from the same system and not any other devices.​

Answer 1

The simple mail transfer protocol (SMTP) is the Internet standard that describes how Internet e-mail servers transfer e-mail between themselves.

Answer 2

The simple mail transfer protocol (SMTP) is the Internet standard that describes how Internet e-mail servers transfer e-mail between themselves.

Answer 3

The simple mail transfer protocol (SMTP) is the Internet standard that describes how Internet e-mail servers transfer e-mail between themselves.