GoMailer · Office #38,017

What it is

Calls itself “email server”.

• Calls itself: email server

“Self-hosted email server for your app and your AI agents”

Where it puts itself

Claims “one payment, no per-email fees”. Rules out “subscription”.

• Superlative claim: one payment, no per-email fees
• Says it will not: subscription

“One payment, no per-email fees.”

“No subscription”

What it costs

One-time purchase. No free plan. No monthly or yearly plan. 6 prices listed on its pages, from $5 to $29.

• One-time: yes
• Monthly: no
• Yearly: no
• Free plan: no
• Price: 6 prices, from $5 to $29

“Resale rights + kit Sales pitch, pricing and contract for your clients. $15”

“Complete GoMailer The system, ready to install on your server. $29”

Who it sells to

Sells to businesses. Built for solo users. In Spanish.

• Sells to: businesses
• Company size: solo / indie
• Languages: Spanish

“And if you build for clients, resell it.”

“If you're building an app”

How it runs

A API. Can be self-hosted. Offers an API. Open source. AI is a side feature.

• Kind: api
• Runs where: self-hosted
• API: yes
• Open source: yes
• AI role: a side feature

“API REST SMTP Amazon SES Resend Node Python PHP Go”

“…a self-hosted email server in Go”

What it works with

Integrates with Amazon SES, Brevo, ChatGPT and 5 more.

• Integrates with: Amazon SES · Brevo · ChatGPT · +5

“Works with any SMTP (Amazon SES, Brevo, Postmark) or Resend's API.”

“Built-in MCP so Claude, ChatGPT, Gemini or Cursor can check and send campaigns.”

What it offers as proof

Live, no waitlist. Claims “8,214”. Compliance: GDPR. Try it without signing up.

• Number claimed: 8,214
• Compliance: GDPR
• Instant signup: yes
• Trial asks for: nothing

“I want GoMailer”

“Instant access”