What is Email Warmer?

Email Warmer is an enterprise-grade email deliverability platform that uses AI-powered smart algorithms and a network of 30,000+ high-reputation inboxes to improve your email deliverability and ensure your emails reach the inbox.

How does email warmup work?

Email warmup works by gradually increasing your sending volume while generating positive engagement signals (opens, replies, spam rescues) through our network of high-reputation inboxes. This trains email service providers to trust your sending domain.

What is the difference between the $9 and $19 plans?

The $9 Starter plan includes 1 mailbox with up to 100 emails/day and basic analytics. The $19 Scale plan includes 3 mailboxes with up to 100 emails/day per mailbox, free spam testing, advanced analytics, team management, and priority support.

Is there a free trial?

Yes, we offer a 7-day free trial for the $19 Scale plan. The $9 Starter plan does not include a free trial. You can also try our free spam testing tool without any commitment.

How many inboxes are in your network?

Our network consists of over 30,000 high-reputation inboxes, primarily Google and Microsoft accounts, with an average reputation score above 95%.

What is spam testing?

Spam testing is a free tool that tests your emails against 35+ seed inboxes to identify deliverability issues before sending your campaigns. It analyzes placement, content, authentication, and blacklist status.