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LunaticSMTP vs Mailvelope

Professional comparison and analysis to help you choose the right software solution for your needs.

LunaticSMTP icon
LunaticSMTP
Mailvelope icon
Mailvelope

LunaticSMTP vs Mailvelope: The Verdict

⚡ Summary:

LunaticSMTP: LunaticSMTP is an open-source SMTP server for Windows that allows sending email directly from applications without needing external libraries. It is lightweight, easy to install, and integrates with existing email infrastructure.

Mailvelope: Mailvelope is an open source browser extension for end-to-end email encryption. It integrates with webmail providers like Gmail and Outlook to allow users to easily send and receive encrypted emails using OpenPGP.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature LunaticSMTP Mailvelope
Sugggest Score — —
Category Network & Admin Security & Privacy
Pricing Open Source Open Source

Product Overview

LunaticSMTP
LunaticSMTP

Description: LunaticSMTP is an open-source SMTP server for Windows that allows sending email directly from applications without needing external libraries. It is lightweight, easy to install, and integrates with existing email infrastructure.

Type: software

Pricing: Open Source

Mailvelope
Mailvelope

Description: Mailvelope is an open source browser extension for end-to-end email encryption. It integrates with webmail providers like Gmail and Outlook to allow users to easily send and receive encrypted emails using OpenPGP.

Type: software

Pricing: Open Source

Key Features Comparison

LunaticSMTP
LunaticSMTP Features
  • Open-source SMTP server for Windows
  • Allows sending email directly from applications without external libraries
  • Lightweight and easy to install
  • Integrates with existing email infrastructure
Mailvelope
Mailvelope Features
  • End-to-end email encryption
  • Integrates with webmail providers like Gmail, Outlook, Yahoo Mail
  • OpenPGP and S/MIME support
  • Digital signature of emails
  • Encryption of email attachments
  • Key management

Pros & Cons Analysis

LunaticSMTP
LunaticSMTP

Pros

  • Open-source and free to use
  • Lightweight and easy to set up
  • Integrates with existing email infrastructure
  • Eliminates the need for external email libraries

Cons

  • Only available for Windows
  • Limited features compared to commercial SMTP servers
  • May not have the same level of support and documentation as commercial options
Mailvelope
Mailvelope

Pros

  • Free and open source
  • Easy to use
  • Secures email communications
  • Wide support for email providers
  • Active development and support

Cons

  • Requires recipient to also have Mailvelope
  • Limited customization options
  • Only available as browser extension

Pricing Comparison

LunaticSMTP
LunaticSMTP
  • Open Source
Mailvelope
Mailvelope
  • Open Source

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Learn More About Each Product

LunaticSMTP
LunaticSMTP
Reviews, pricing & alternatives →
Mailvelope
Mailvelope
Reviews, pricing & alternatives →

Ready to Make Your Decision?

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