Scale Your Cold Email Outreach Without Limits
DataMailer is the most powerful cold email infrastructure designed for modern sales teams. Send personalized emails at scale, warm up your domains automatically, and book more meetings.
Trusted by sales teams at
Everything You Need for Cold Email Success
Built specifically for cold email outreach. No compromises. Just results.
Unlimited Email Accounts
Connect unlimited email accounts and domains. Scale your outreach without restrictions or per-inbox fees.
Automatic Email Warm-up
Boost your sender reputation automatically. Our AI-powered warm-up ensures your emails land in the inbox.
Real-time Analytics
Track opens, clicks, replies, and bounces in real-time. Make data-driven decisions to improve performance.
Deep Personalization
Go beyond {first_name}. Use custom variables, conditional content, and AI-powered personalization at scale.
Automated Sequences
Create multi-step sequences with smart delays. Auto-stop when prospects reply or take action.
99%+ Deliverability
Built-in spam testing, domain health monitoring, and deliverability optimization. Land in inbox, not spam.
Start Sending in 3 Simple Steps
Connect Your Accounts
Connect unlimited email accounts via SMTP or OAuth. Google, Microsoft, or any provider works.
Import & Personalize
Upload your leads, craft personalized templates, and set up automated follow-up sequences.
Launch & Scale
Hit send and watch your inbox fill with replies. Scale to millions of emails effortlessly.
Ready to Scale Your Cold Outreach?
Join thousands of sales teams who are booking more meetings with DataMailer.
Loved by Sales Teams Worldwide
"DataMailer transformed our outbound sales. We went from 20 meetings/month to 150+. The deliverability is incredible."
"Finally, a cold email tool that actually works. The warm-up feature alone saved us from spam folders. Highly recommend!"
"We switched from Instantly and never looked back. Better deliverability, better UX, and unlimited email accounts!"
Stop Sending Emails to Spam
Start your free trial today and see why thousands of sales teams choose DataMailer.
No credit card required. 14-day free trial.