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SMTP Builder
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SMTP Builder
Get unlimited SMTP servers - self-hosted email solution
# Email Marketing
Featured on : Aug 26. 2025
Featured on : Aug 26. 2025
What is SMTP Builder?
Deploy your own SMTP server with a VPS and a domain name. Get full control, unlimited emails, and improved deliverability, no third-party limits.
Problem
Users rely on third-party SMTP services with email limits, deliverability challenges, and lack of control over infrastructure.
Solution
A self-hosted SMTP server deployment tool enabling users to create unlimited email-sending servers using their VPS and domain, improving deliverability and bypassing third-party restrictions.
Customers
Developers, IT managers, startups, and e-commerce businesses requiring scalable, controlled email infrastructure.
Unique Features
Full ownership of SMTP servers, no per-email costs, customizable deliverability settings, and integration with existing domains/VPS.
User Comments
Simplifies self-hosting SMTP
Avoids sender reputation issues
Cost-effective for bulk emails
Requires technical setup knowledge
Reliable deliverability post-configuration
Traction
Launched in 2023, 95+ upvotes on Product Hunt, free tier available, specific user/usage data not publicly disclosed.
Market Size
The global email marketing market is projected to reach $17.9 billion by 2027 (Statista, 2023), indicating strong demand for email infrastructure tools.