# Mailwarm - Email Warmup Tool > Boost your email deliverability and sender reputation ## Overview Mailwarm is an email warmup tool designed to help businesses avoid the spam folder and improve inbox placement. Since 2020, Mailwarm's deliverability team has been building sender reputation so emails reach the inbox. ## What We Do Email warmup means gradually increasing sending volume while generating positive engagement signals like opens and replies. This helps email providers' spam filters build trust in sender behavior. Mailwarm automates this process safely and consistently. ## Key Features - **Gradual Volume Ramping**: Safely increase sending volume over time - **Engagement Signals**: Simulate real opens and replies to build trust - **Live Tracking**: Monitor deliverability and reputation in real-time - **Multi-Provider Support**: Works with Gmail, Outlook/Microsoft 365, Yahoo, and more - **SMTP Integration**: Compatible with any email service via SMTP - **Team Management**: Handle multiple domains and mailboxes for agencies - **Audit & Analytics**: Track inbox placement and identify issues ## Who Uses Mailwarm - **Founders**: Launch outbound without burning domains - **Sales Teams**: Improve inbox placement and reply rates - **Marketers**: Keep campaigns reaching subscribers consistently - **Agencies**: Scale client sending across multiple accounts - **Developers**: Warm up email infrastructure for apps - **Cold Outbound Teams**: Build reputation for prospecting emails ## How It Works 1. **Connect**: Link your email accounts via SMTP or native integrations 2. **Warm Up**: Automated gradual sending with engagement signals 3. **Monitor**: Track deliverability metrics and inbox placement 4. **Scale**: Safely increase volume as reputation builds ## Key Benefits - Avoid spam folder and improve inbox placement - Reduce email throttling and filtering - Build sender reputation gradually and safely - Protect domain reputation for cold email campaigns - Scale from 20 to 200+ emails/day without issues - Works for both new and damaged email reputations ## Pricing Mailwarm offers flexible pricing plans designed for different team sizes and sending volumes. Visit https://www.mailwarm.com/pricing for current pricing. ## Resources - **Email Warmup Guide**: Learn how email warmup works - **Spam Folder Guide**: Understand why emails go to spam - **Gmail Warmup**: Specific guide for Gmail accounts - **Reply Rate Guide**: Improve email response rates - **Blog**: Email deliverability tips and best practices ## Contact - Website: https://www.mailwarm.com - Email: press@mailwarm.com (Press inquiries) - Email: partnership@mailwarm.com (Partnership inquiries) - Login: https://app.mailwarm.com/login - Register: https://app.mailwarm.com/register - Book a Call: https://calendly.com/mailwarmsessions/mailwarm-qa ## Social Media - Instagram: https://www.instagram.com/mailwarm - YouTube: https://www.youtube.com/@mailwarm - LinkedIn: https://www.linkedin.com/company/mailwarm ## Common Questions **How long does email warmup take?** Most accounts show improved inbox placement within 2 to 4 weeks of proper email warmup. **Is email warmup safe?** Yes, when done correctly with gradual volume increases and natural engagement patterns. **Can warmup fix emails already in spam?** In most cases, yes. Warmup helps rebuild sender reputation over time by generating consistent positive engagement signals. **Should I warm up before cold emailing?** Absolutely. Skipping email warmup is one of the fastest ways to land in spam. ## Legal - Terms of Use: https://www.mailwarm.com/terms - Privacy Policy: https://www.mailwarm.com/privacy-policy --- Copyright © 2026 Mailwarm. All rights reserved.