Email Sending for everyone
High-deliverability cold and opt-in email platform. Features interactive Google Sheets audience management, automated background auto-send, scheduled campaigns, and real-time open tracking.
Built for teams shipping product, not managing mail servers
Everything you need to send at scale.
From interactive Google Sheets-style audience editing and smart tag personalization to automated background sending and real-time open analytics.
Spreadsheet-Style Audience Editor
Manage your audience contacts in an interactive spreadsheet editor directly in your dashboard. Add custom metadata columns, edit cells, search, and export to CSV anytime.
Personalization Tags & Variables
Universal support for [-tag-], {{tag}}, {tag}, and [tag]. Our engine automatically maps your CSV data and personalizes each email with intelligent fallback resolution.
Automated Background Sending
Dispatch massive email volumes in automated background batches based on plan limits. Campaigns continue running smoothly even when you close your browser or go offline.
Scheduled Campaigns
Plan ahead and schedule email campaigns for the exact date and time you choose. The autonomous background worker handles dispatch and tracking automatically.
Real-Time Open Tracking & Analytics
Track when recipients open your emails with precision. Monitor unique vs. total open counts, engagement rates, and live performance analytics.
SendBoost On-Demand ($0.45 per 1,000 emails)
Need extra sends? Boost your sending limit anytime at just $0.45 per 1,000 emails. SendBoost sends stack on top of your plan quota and never expire.
Verified Senders & Domain Routing
Connect multiple verified From sender identities with custom display names, optimized headers, and reliable inbox placement across major providers.
Numbered Campaigns & Library
Automated sequential numbering (Campaign #1, Campaign #2...) keeps your dispatches organized, plus save reusable templates to your campaign library.
High Inbox Deliverability
Tuned for inbox arrival across Gmail, Outlook, Yahoo, and business inboxes with zero SMTP servers to configure or credentials to rotate.
Your email actually arrives.
Ultymailer is tuned for one thing: getting your product emails into the inbox. Send with a single API call and trust that every message lands, every time.
Know what happened to every send.
A live feed of delivery events as they happen — no dashboard refresh required.
Trusted by teams sending at scale
What teams say about UltyMailer
“We ripped out our old SMTP setup in an afternoon. Sending to our entire list is now a single API call and it just works.”
“Deliverability went up and our on-call pages went to zero. UltyMailer quietly became the most reliable part of our stack.”
“The dashboard is clean, the logs are honest, and I can hand campaigns to non-technical teammates without worrying.”
“From signup to first send was under ten minutes. It is rare to find infrastructure this powerful that feels this simple.”
“We send millions of transactional emails a month and have never looked back. Rock solid and refreshingly transparent.”
Our mission has always been simple: build email infrastructure that anyone can use, trust, and grow with. We built UltyMailer for everyone because great communication shouldn't be limited by technical barriers.
The UltyMailer TeamFounders