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smtp4dev

Smtp4dev

smtp4dev is an open-source SMTP server designed for developers to test email sending applications locally. It provides a simple SMTP server without requiring email account credentials or an internet connection.
Development Testing Tools
smtp email testing
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smtp4dev: Open-Source SMTP Server

An open-source SMTP server for developers to test email sending applications locally, without needing email account credentials or an internet connection.

What is Smtp4dev?

smtp4dev is an open-source, lightweight SMTP server application designed specifically for developers who need to test email functionality in their applications during development. Unlike full-featured email servers like Exchange or Postfix, smtp4dev is simple to install and configure on your local machine.

The key benefit of smtp4dev is that it eliminates the need to have valid email account credentials or an internet connection to send and receive test emails. Developers can install smtp4dev locally, connect their app to it via SMTP, and test sending emails without those emails ever leaving the machine.

By providing a self-contained SMTP test server, smtp4dev allows developers to build and thoroughly test email functionality in their apps early in the development cycle. This catches email issues early before deploying to real users. smtp4dev supports all standard SMTP operations like sending with different From addresses, attachments, encryption, authentication mechanism testing, and more.

In summary, smtp4dev is a developer testing tool that enables rapid, offline development of email-enabled applications by providing a simple local SMTP test server.

Smtp4dev Features

Features

  1. Local SMTP server
  2. Does not require credentials or internet connection
  3. Supports plain text and HTML email
  4. Customizable ports
  5. Logging

Pricing

  • Open Source

Pros

Easy to set up and use

Great for testing email sending without sending real emails

Open source and free

Works offline

Cons

Limited features compared to full production SMTP servers

Not suitable for sending real emails in production

Lacks advanced configurability

Official Links

Official Website
https://smtp4dev.codeplex.com/

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