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.

MTA mail transfer agent

A generic term for programs that send and receive mail between servers.

A generic term for programs such as Sendmail, postfix, or qmail that send and receive mail between servers using SMTP. The MTA in each Symantec Brightmail Gateway Scanner routes the inbound messages and outbound messages to the Brightmail Engine for processing. Then the MTA delivers filtered messages to their internal destinations or to remote destinations.