Glossary

The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

SMTP Simple Mail Transfer Protocol

The protocol that allows email messages to be exchanged between mail servers. Then, clients retrieve email, typically via the POP or IMAP protocol.

The protocol that allows email messages to be exchanged between mail servers. Then, clients retrieve email, typically through the POP or IMAP protocol.

A commonly used protocol for sending email messages between servers.

The protocol is used to send mail between servers and to send mail from your client to a mail server.