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FakeSMTP vs Mailvelope

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

FakeSMTP icon
FakeSMTP
Mailvelope icon
Mailvelope

FakeSMTP vs Mailvelope: The Verdict

⚡ Summary:

FakeSMTP: FakeSMTP is an open source SMTP test server that allows developers to test email sending from their applications without actually sending emails through an SMTP server. It is lightweight, easy to install, and useful for testing email functionality during development.

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 FakeSMTP Mailvelope
Sugggest Score — —
Category Development Security & Privacy
Pricing Open Source Open Source

Product Overview

FakeSMTP
FakeSMTP

Description: FakeSMTP is an open source SMTP test server that allows developers to test email sending from their applications without actually sending emails through an SMTP server. It is lightweight, easy to install, and useful for testing email functionality during development.

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

FakeSMTP
FakeSMTP Features
  • Runs as a local SMTP server that receives email messages
  • Allows sending email messages to it during development for testing
  • Does not actually send the emails out, just captures them locally
  • Lightweight and easy to install
  • Works cross-platform on Windows, Linux and Mac
  • Open source and free
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

FakeSMTP
FakeSMTP
Pros
  • No need to connect to a real SMTP server during development
  • Avoids sending test emails accidentally to real users
  • Saves time by speeding up email testing
  • Simple to set up and use
  • Being open source allows customization if needed
Cons
  • Limited to testing email sending, not receiving
  • Not a full email test platform with reporting
  • Requires rerouting application to use it instead of normal SMTP
  • Does not test actual email deliverability
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

FakeSMTP
FakeSMTP
  • Open Source
Mailvelope
Mailvelope
  • Open Source

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Learn More About Each Product

FakeSMTP
FakeSMTP
Reviews, pricing & alternatives →
Mailvelope
Mailvelope
Reviews, pricing & alternatives →

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