Configuration Flow

This section describes the mail filtering configuration flow.

The mail filtering features to be enabled on the FW vary depending on your actual requirements. Table 1 lists the procedure for configuring all the mail filtering functions.

**Table 1** Mail filtering configuration flow
Task	Subtask	Description
1. Configure the mail filtering profile.	Configuring Anti-Spam Based on the IP Address of the SMTP Server	If the FW serves as the security gateway for a server farm, you can enable the anti-spam and anonymous mail check functions to protect the mail server from junk and anonymous email.
	Setting a MIME Header Group Configuring Anti-Spam Based on MIME Headers
	Configuring Anonymous Email Check
	Configuring a Mail Address Group Configuring Email Address Checks	If the FW serves as the security gateway of an enterprise network, to prevent data leaks, you can enable the mail address check function to permit or deny outgoing email based on email addresses and the email permission of the addresses, and enable mail attachment control function to filter outgoing email.
	Configuring Email Attachment Control
2. Configure the security policy.	-	To enable mail filtering, configure a Security Policy, define the matching conditions for traffic inspection, and reference the profile in the policy.