Comprehensive product documentation
Learn how Cold Mail Server works as a product, then use the app confidently to set up domains, manage senders, connect tools, monitor logs, and run reliable campaigns.
13 guides across 10 categories
Recommended learning paths
New user onboarding
Follow this order from product basics to first successful send.
Advanced operations track
Improve campaign execution, monitoring, and issue resolution with repeatable product workflows.
Documentation by category
Getting Started
Product Basics
How Cold Mail Server Works
Understand the system model behind Cold Mail Server: what each resource represents, how requests are authenticated, and where to look when delivery quality changes.
All customers | 12-18 minutes
Account Overview and Daily Workflow
Understand your account surfaces and run a daily product workflow in under 5 minutes.
All customers | 8-12 minutes
Domains
Domains: Add, Verify, and Enable Sending
Learn how to add domains, configure DNS records, verify setup, and safely enable sending.
New and growing customers | 12-20 minutes
Domain Health and Statuses Explained
Understand domain statuses and health signals so you can react quickly and keep sending stable.
All customers | 7-10 minutes
Mailboxes
Auth Keys
Email Logs
Settings
Team Management
Campaign Operations
Campaign Preflight Checklist
Run this checklist before launching any campaign to reduce mistakes and improve delivery stability.
Operators and campaign managers | 5-10 minutes
Sending Limits and Warm-Up Basics
Use conservative limits and gradual volume increases to reduce risk and build stable sending behavior.
Campaign operators | 10-15 minutes
Troubleshooting
Need implementation help?
For account setup issues, sending errors, domain verification problems, or log-level troubleshooting, contact support.
Contact Support