Configuring Mail Filtering
This section describes how to configure mail filtering.
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Configuration Flow
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This section describes the mail filtering configuration flow.
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Configuring a Mail Address Group
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You can add the mail addresses with the same permissions to a mail address group and reference the group for mail address checks.
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Setting a MIME Header Group
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The mail filtering profile references a MIME header group. You can add MIME headers that have the same control action the same MIME header group.
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Configuring Anti-Spam Based on the IP Address of the SMTP Server
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Anti-spam filters out junk email by performing legitimacy checks on the IP address of the sender SMTP server. If the IP address is whitelisted, the email from the SMTP server is forwarded. If the IP address is blacklisted, the email is discarded.
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Configuring Anti-Spam Based on MIME Headers
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This section describes how to configure anti-spam based on the field name and field body specified in an MIME header.
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Configuring Anonymous Email Check
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Anonymous email has an empty sender address and may contain illegitimate information. The anonymous mail check function determines whether users are allowed to send and receive anonymous mails.
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Configuring Email Address Checks
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An email address is the address registered to a user for sending and receiving email. The mail address check determines whether email message can be sent to or received from a specific email address.
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Configuring Email Attachment Control
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Mail attachment control restricts the attachment size and number of files attached to email.