Get your own unlimited SMTP server now !

You're just one command away from a fully configured mail server.

Get it now! Features

Unlimited SMTP

Send and receive emails without any volume restrictions.

100% Inboxes

Always hit inbox with high sending score SMTP server.

Self-Hosted

You are the owner of your mail server, no third parties.

Welcome on board!

Build your mail server with our all-in-one tool that gives you access to an unlimited SMTP server and sets up a complete mail server on your VPS in just one bash command — no technical skills needed.

The mail server supports SMTP, IMAP, and POP3, allowing you to send and receive unlimited emails with your own domain. Easily connect with any modern email client or sending tool like SendBlaster, Ultimate Mailer, Outlook, Thunderbird, or Apple Mail.

To improve deliverability, the tool automatically sets up SPF, DKIM, and DMARC protocols, helping you build trust and avoid spam filters. You’ll achieve a perfect 10/10 score on mail-tester.com, boosting your inbox placement.

Ideal for high-volume email campaigns, email marketing, newsletters and professional outreach, this solution gives you unlimited smtp power with complete control — all without complicated setup or extra costs.

Single domain

Get a domain name, choose your identity, and use it for every deployment, as we use subdomain for your SMTP server.

VPS instances

Works with any provider that has open mail ports, deploy as many VPS as you want. Our builder auto-install SMTP server on each one.

curl -s -X POST https://smtp-builder.com/api/v1/build/ | bash
Avg. time – 5 min

SMTP Ready

Boom! Each VPS is now a fully functional, production-ready SMTP server — all automated through your domain, VPS and our magic script.

Why choose a self-Hosted SMTP solution?

When you buy SMTP server build credits through our platform, you get access to:

  • Unlimited SMTP server sending capabilities.
  • Full server control over limits and configuration.
  • Privacy and ownership of your mail server.
  • One-time setup with no monthly fees.

How it works in simple words?

3 simple steps to get your unlimited SMTP server up and running quickly:

  1. Update your domain’s nameservers to point to Linode’s nameservers.
  2. Run just one command on your VPS to auto-install your mail server.
  3. Configure your rDNS (PTR) records to point to your own domain name.