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Open-source temporary email service using haraka and node

Open-source temporary email service using haraka and node

by dishantsinghdev·Feb 25, 2026·2 points·0 comments

AI Analysis

MidShip It

Haraka-based temp mail with custom domains, but 10minutemail and Guerrillamail already dominate.

Strengths
  • Open-source backend (Haraka + Node) lowers barrier to self-hosting vs. proprietary temp-mail services.
  • Multi-language UI and performance-optimized architecture (low memory, edge caching) is thoughtful.
  • Real service live with traffic stats (1.6M queued emails) proves traction and scale.
Weaknesses
  • Temp email is a crowded, low-margin category — custom domain angle is minor differentiation.
  • No clear moat: users can easily switch between free temp mail providers with no switching cost.
Category
Target Audience

Privacy-conscious users, developers, anyone avoiding spam during free trials or sign-ups.

Similar To

10minutemail · Guerrillamail · TempMail

Post Description

Built this while running my own temp mail service.

features: - custom domain temp emails - open-source backend (Haraka + Node.js) - multi-language support - designed to handle high volume with low memory

live: https://www.freecustom.email

code: https://github.com/DishantSinghDev2/maildrop https://github.com/DishIs/temp-mail

would love feedback on architecture, performance, or improvements.

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