Modify subject

Use the original subject and prepend text to it

Best for: Adding warning tags, classifications, or urgency indicators at the beginning.

Example use cases

• Add [EXTERNAL] to emails from outside your organization
• Prepend [URGENT] to high-priority messages
• Add [SPAM?] to suspicious emails that need review
• Insert [CONFIDENTIAL] to sensitive communications

How the message subject will be affected
Subject before change	Automatic order M223998
Text to prepend	[EXTERNAL]
Subject after change	[EXTERNAL] Automatic order M223998

Use the original subject and append text to it

Best for: Adding disclaimers, routing info, or supplementary details at the end.

Example use cases:

• Append - Scanned for viruses to confirm security checks
• Add (Auto-archived) to messages being archived
• Include - Contains large attachments as a warning
• Append [Processed by Security Gateway] for audit trails

How the message subject will be affected
Subject before change	Automatic order M223998
Text to append	[SPAM]
Subject after change	Automatic order M223998 [SPAM]

Use this subject

Best for: Completely replacing subjects for standardization or security reasons.

Example use cases:

• Replace subjects in automated reports with consistent naming
• Redact sensitive information leaked in subject lines
• Standardize notification subjects from various systems
• Override malicious or misleading subject lines in quarantined emails

How the message subject will be affected
Subject before change	Automatic order M223998
Text to use	Subject modified by policy rules
Subject after change	Subject modified by policy rules