Recipient email rules are criteria enabling you to segment email signatures based on the recipient's email.
- Automatically change the email signature when sending internally.
- Automatically encrypt emails sent to specific companies.
- Automatically promote events to specific companies, countries or regions.
For example, you can easily create an email signature for internal emails or segment campaigns for specific companies. 
The order of the rules matters. The first time a rule is met, it stops and does not look for other rules for the same segment. You can sort the order of the rules by dragging the 3 bars with your mouse.
Version 4.0.3 or higher
The Recipient email rule is applicable to manifest version 4.0.3 or higher.
Limitations in the Microsoft API
The Recipient email rule applies to the 1st email.
Outlook for iOS/Android does not support the Recipient email rule.
How to create a rule for an internal email signature
How to segment a campaign for external emails
How to segment a campaign to specific recipients
You can segment campaigns to multiple recipients using a semi-colon (there are no spaces before and after the semi-colon).
