Simple Mail Transfer Protocol is a protocol for sending and receiving emails on the Internet.

This protocol improves the efficiency of data communication.

I emailed the teacher.

I check my work emails every day.

I uploaded a large amount of data to the server using the File Transfer Protocol.

I check my electronic mail every day.

Please check my voice mail.

We have a contact form on our website, so please feel free to contact us if you have any questions.

May I give you my e-mail address?

I look forward to this email newsletter every week.