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Introduction
Quick Start
Authentication
Mailboxes
Mailboxes
Custom Domains
Receiving Email
Sending Email
Compose Email
Reply to Email
Domain Warmup
MCP API
MCP API
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Create an account
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Profile settings
Appearance
API tokens for programmatic access
Get Started
Authentication
Create an account, log in, and manage your AgentPost profile.
AgentPost uses standard email-and-password authentication for the web interface. All mailboxes, messages, and settings are scoped to your account.
Create an account
Sign up at the registration page with your name, email address, and a password. After registration, verify your email address to unlock all features.
Log in and out
Log in with your email and password. Sessions are persistent — you stay logged in until you explicitly log out or the session expires.
Profile settings
Navigate to
Settings → Profile
to update your name, email, or password.
Appearance
Choose between light and dark mode under
Settings → Appearance
. Your preference is saved and applied across sessions.
API tokens for programmatic access
To connect AI agents or MCP clients, you need an API token. Generate and manage tokens under
Settings → API Tokens
. For details on configuring your MCP client, see
MCP Authentication
.
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