MDaemon allows you to encrypt your emails and attachments.
MDaemon incorporates multiple layers of security techniques such as Relay Controls, IP Shielding, SMTP Authentication. The integrated email message archiving capabilities make it easy to safeguard your email messages to address regulatory requirements and the IT policies of your business. Regardless of platform, you will have access to your important information wherever you are. MDaemon works with many popular mobile devices. The Server provides outstanding groupware features, integration with Microsoft Outlook (using Outlook Connector for MDaemon) and a multi-language webmail client for email access anywhere. It is a trusted alternative to Microsoft Exchange.
Messaging Server supports IMAP, SMTP, and POP3 protocols and delivers solid performance from its feature-rich and user-friendly design. It offers the enterprise-class features that can be managed with minimal training and support. It simplifies messaging and collaboration requirements with an intuitive, user-friendly design. MDaemon is a reliable and secure mail server that does not require expensive administration or impose high per-user costs.