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Letterhead Help Center
Get Started
Newsletters
Features & Tools
Workflows
Settings and Customizations
Creating Content
Automations
Metrics & Reports
Audience
Adding Audience
Custom Fields
Tags & Segments
Promotions
Promotions
Placing & Running Promotions
Campaigns
Advertisers
Purchase and schedule promotions
FAQ
Settings
Account Management
Domain Management
Support
Updates
Updates and Releases
Classic Composer
Newsletter workflows
Metrics & Reports
Audience
Feature & Tools
Support
Campaign and Promotions
Settings
API Documentation
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