Mady MTA Service is a small and easy SMTP server. It's small, stable and fast. It can use in a small LAN or home network and provide mail deliver service for a small group of users.

Advanced Bulk Mail Plus is a powerful bulk emailing program and it has a built in Mail server (SMTP server) so you cant send your Bulk mail directly from your own PC, you can also use an external mail Server if you choose to

Connects POP3/IMAP accounts to an SMTP or Exchange mail server. Runs as system service in the background. An easy to use config tool allows you to manage you accounts. A Spam filter, a powerful rules engine and virus scanner integration are included.

MailMill .NET is a SMTP/MIME component 100% .NET Managed Code written in C# . It enables easy email creation and sending and lets you considerably speed up your development. MailMill .NET is easy to implement and distribute.

Email Component for .NET. Features: HTML Email with automatic image embedding, authentication, automatically ZIP compress attachments, supports message queuing on IIS & emailQ.NET, mail merge, multiple attachments, multiple recipients, & more

MailEnable Standard Edition provides robust SMTP and POP3 services for Windows NT/2000/XP/2003 systems. This version is free for both personal and commercial usage and does not have any time, user or mailbox restrictions.

The NoticeWare Email Server is a high performance, multi-threaded email server for Windows NT4/2000/2003/XP which supports IMAP, POP3 and SMTP. It provides everything you need to run a secure and dependable email system.

Direct sender is a powerful utility that allows you to send a unlimited number of personalized emails directly to the recipients, whitout using any SMTP server.