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    • Adding Audience
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    • Tags & Segments
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    • Promotions
    • Placing & Running Promotions
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    • Purchase and schedule promotions
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    • Account Management
    • Domain Management
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    • Updates and Releases
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    • Newsletter workflows
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    • Audience
    • Feature & Tools
    • Support
    • Campaign and Promotions
    • Settings
  • API Documentation
      Back to home
      1. Letterhead Help Center
      2. Audience
      • 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

      Audience

      How to manage your subscribers including adding, unsubscribing, batch uploading, tags, and segmentation.
      • Understanding bounces & Letterhead's bounce handling
      • View or edit a subscriber

      Adding Audience

      • How to add a subscriber?
      • How to use integrate subscribers using Zapier?
      • CSV Audience Import

      Custom Fields

      • How to upload custom field using Upload CSV?
      • How to create custom field?
      • What is a custom field, and why should I use it?

      Tags & Segments

      • How do tags and segments work?
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      Letterhead Help Center
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