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.

good sender

A sender from whom you want to accept email messages. A good sender is a member of at least one of the following groups: Local Good Sender Domains, Local Good Sender IPs, Third Party Good Senders, or Symantec Global Good Senders.