How to use Exchange Online mail flow rules to improve the effectiveness of your EOP spam filtering and protect Office 365 users from phishing attacks.
Using Transport Rules to Block Outbound Email to Untrustworthy Domains
How to use mail flow rules in Exchange Server and Exchange Online to block outbound email to specific domain names.
Redirect Outbound Emails to a New Email Address
How to use an Exchange Server transport rule to redirect emails that are being sent to the wrong address.
Using Exchange Transport Rules to Add Email Signatures to Messages
Why using transport rules for email signatures and disclaimers may not give you the results you’re hoping for.
How to Tell Which Transport Rule Was Applied to an Email Message
Is there a way that you can tell which transport rule has been applied to an email message?