Warmbox is a plug&play SaaS that automates the email warm-up process to get cold emails delivered.

How does it work?

📧 We send emails from your inbox

💌 Your emails automatically get removed from spam, opened, marked as favorite, and replied

🔥 Your inbox gets warm, and your deliverability increases

📭 Your cold emails don't land in spam anymore, and you reach your targets

Through a collaborative tool, Warmbox helps teams to generate more value with cold emailing.

Say farewell to spam and get up to +30% open rate. Improve your email deliverability and generate more value with cold emailing.