EASendMail enables your C#, VB.NET, JScript.NET, ASP.NET or other .NET framework applications to send Text/Html email based on SMTP/ESMTP protocol. It is a full-featured component which supports all operations of the SMTP/ESMTP protocol, MX DNS lookup, sending email in backgroud, simulating SMTP server, multi-threading, sending email in schedule, SSL/TLS, S/MIME, digital signature, failure delivery-report, and many other advanced features.

MDaemon, Windows-based email server software, contains full mail server functionality and control with a strong emphasis on security to protect your email communication needs. Features include top-notch antispam security features such as Greylisting, DomainKeys Identified Mail (DKIM), DomainKeys, SPF, Sender ID; seamless integration with AntiVirus plug-in; built-in groupware functionalities; SyncML server for PIM synchronization; and more.