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…(<dir>/smtp4dev/smtp4dev/appsettings.json) This changes the path under IIS to <dir>/smtp4dev/appsettings.json. This is a shipped path. Resolves #898 (#910)
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Mar 11, 2021

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

A dummy SMTP server for Windows, Linux, Mac OS-X (and maybe elsewhere where .NET Core is available). Lets you test your application without spamming your real customers and without needing to set up a complicated real email server with a special configuration. Messages received in smtp4dev can be viewed and inspected.

If you're looking for the older v2 Windows GUI version. Grab it here.

Become a Patreon Donate If you find smtp4dev useful, please consider supporting further development by making a donation .

Getting Started

Installation Instructions

Configuration

Configuring your programs to send mails to smtp4dev

Screenshots

Screenshot 1 Screenshot 2 FOSSA Status

License

FOSSA Status