smtp4dev

7 likes

The fake SMTP email server for development and testing.

smtp4dev main user interface

Cost / License

Free
Open Source (BSD-3-Clause)

Application type

Mail Server

Origin

United Kingdom

Platforms

Windows
Linux
Mac

smtp4dev main user interface

smtp4dev alternatives

7likes

0articles

Features

No Tracking
Ad-free
SMTP Support
Mail Server

Tags

smtp4dev News & Activities

Highlights All activities

Recent activities

klivan added smtp4dev as alternative to MailFixture
2 months ago

smtp4dev information

Developed by
rob@rnwood.co.uk
Licensing
Open Source (BSD-3-Clause) and Free product.
Written in
C#
Alternatives
21 alternatives listed
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Supported Languages
- English

AlternativeTo Categories

Development, Office & Productivity, Online Services

GitHub repository

3,976 Stars
428 Forks
26 Open Issues
Updated Sep 17, 2026

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smtp4dev was added to AlternativeTo by Ola Johansson on Dec 9, 2009 and this page was last updated May 19, 2025.

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What is smtp4dev?

smtp4dev - the fake SMTP email server for development and testing.

A dummy SMTP server for Windows, Linux, Mac OS-X. This program lets you test your application without spamming your real customers.