How it works
How Inbox Warmup works
A simple flow for SMTP connection, domain authentication, controlled warmup and safer scaling decisions.
Inbox Warmup
From setup to scale in a safer workflow.
The product is designed to make each setup step clear before sending starts.
1. Connect SMTP
Add host, port, encryption, username and sender. Inbox Warmup tests the connection and shows exact errors.
Open page →2. Verify DNS
Publish SPF, DKIM, DMARC, Return-Path, ownership and tracking records, then check live DNS.
Open page →3. Start warmup
Begin with safe hourly limits, warmup conversations and placement-aware mailbox checks.
Open page →4. Scale carefully
Use reputation signals and package limits before increasing campaign volume.
Open page →Ready to check your sending setup?
Start with a 7-day demo, connect your domain, verify DNS, and cancel before day 7 if you do not want the selected monthly plan to renew.