Warmbox AI

Automated email warm-up to protect sender reputation

Business & MarketingPaid

Warmbox is an email warm-up service that automatically sends and engages with emails from your sending accounts to build a positive sender reputation with ISPs. It uses a private network of real inboxes to simulate organic email activity. Sales teams and marketers use Warmbox before launching cold email campaigns to avoid spam folders.

Key Features

• ✓Automated inbox warming
• ✓Private warm-up network
• ✓Spam score monitoring
• ✓Email health dashboard
• ✓Integrates with major ESPs