Antix SMTP Impostor
You can download Antix SMTP Impostor 2.0 from our software library for free. Antix SMTP Impostor is included in Communication Tools. The most popular version among Antix SMTP Impostor users is 2.0. The actual developer of the free program is Intergraph. Our antivirus check shows that this download is clean.
From the developer:
1. Fake - will not actually send e-mails, no risk of accidentally e-mailing a client then
2. Testable - you can create the server in code, then test your e-mailing functions and check the server to confirm they have been sent
3. Configurable - you can add as many hosts as you want listening on different ports
4. Expendable - you can write you own message storage, perhaps to store in a database
You may want to check out more software, such as Antix SMTP Server Emulation for Developers, Antix Cropper or Autoroute SMTP, which might be related to Antix SMTP Impostor.