Send Email. Zero Cost. Free SMTP Relay. Unlimited Confidence.
Join the early-access waitlist for Emercury’s forever-free SMTP Relay and be first to reach every inbox.
We’ll email you the instant we go live—so you can create your account in minutes and start sending up to 3 000 emails/month or 100 emails/day at no cost.
Brands That trust our SMTP Relay Service
Ready to Send Transactional Email?
✓ Drop-in SMTP & REST API—up in minutes
✓ Code in the language you love: PHP, Python, Java, Ruby, Curl, JSON, C#
✓ Live analytics & inbox-placement insights to boost deliverability
✓ Manage multiple sending domains and API keys from one tidy dashboard
✓ Seamless plug-ins for e-commerce, CRMs, SaaS, help-desks, forms, and more
✓ Real human support on standby—no chatbots, just expert help!
We’ll email you the instant we go live—so you can create your account in minutes and start sending up to 3 000 emails/month at no cost.
Deliver Transactional Emails Straight to the Inbox!
Emercury’s reputation-managed IPs, automatic SPF/DKIM, and AI-guided warm-up routines place your product updates, receipts, password resets, onboarding emails and more directly in the primary inbox. Boost opens and customer trust from day one!
Go Live in Minutes with Emercury Free SMTP Relay
Drop in our cURL command or SDK, verify your domain, and start sending instantly. Clear, copy-paste docs keep your developers focused on shipping features—not untangling SMTP errors.
Built for Developer Teams, Email Performance & Delivery
Send up to 3 000 emails/month forever-free, monitor real-time analytics, and manage unlimited domains. Upgrade only when your business is ready—never because the free tier vanished.
Ready to start?
Secure your place on the waitlist now and unlock developer-friendly, reliable, cost-free SMTP Relay email delivery the moment we launch!
We’ll email you the instant we go live—so you can create your account in minutes and start sending up to 3 000 emails/month at no cost!