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IronPort - advanced configuration guide

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OL-25137-01<br />

Valid Rule 6-20<br />

Subject Rule 6-21<br />

Envelope Recipient Rule 6-21<br />

Envelope Recipient in Group Rule 6-22<br />

Envelope Sender Rule 6-22<br />

Envelope Sender in Group Rule 6-23<br />

Sender Group Rule 6-23<br />

Body Size Rule 6-24<br />

Remote IP Rule 6-24<br />

Receiving Listener Rule 6-25<br />

Receiving IP Interface Rule 6-25<br />

Date Rule 6-25<br />

Header Rule 6-26<br />

Random Rule 6-27<br />

Recipient Count Rule 6-28<br />

Address Count Rule 6-28<br />

Body Scanning Rule 6-28<br />

Body Scanning 6-29<br />

Encryption Detection Rule 6-29<br />

Attachment Type Rule 6-30<br />

Attachment Filename Rule 6-30<br />

DNS List Rule 6-31<br />

SenderBase Reputation Rule 6-32<br />

Dictionary Rules 6-33<br />

SPF-Status Rule 6-35<br />

SPF-Passed Rule 6-36<br />

Workqueue-count Rule 6-37<br />

SMTP Authenticated User Match Rule 6-37<br />

Signed Rule 6-39<br />

Signed Certificate Rule 6-39<br />

Message Filter Actions 6-42<br />

Filter Actions Summary Table 6-42<br />

Attachment Groups 6-45<br />

Action Variables 6-48<br />

Non-ASCII Character Sets and Message Filter Action Variables 6-49<br />

Matched Content Visibility 6-50<br />

Examples of Message Filter Actions 6-50<br />

Skip Remaining Message Filters Action 6-50<br />

Drop Action 6-51<br />

Bounce Action 6-51<br />

Cisco <strong>IronPort</strong> AsyncOS 7.6 for Email Advanced Configuration Guide<br />

Contents<br />

xi

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