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Audience
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Audience
Adding Audience
Custom Fields
Tags & Segments
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Promotions
Placing & Running Promotions
Campaigns
Advertisers
Purchase and schedule promotions
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Account Management
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Audience
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Letterhead Help Center
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?
