Gemini is an advanced multi-platform, standards compliant, messaging client with powerful features for managing mail from multiple sources. Gemini provides flexible filtering of messages and protection from junk mail, viruses and common breaches of netiquette, in an attractive interface which is easy to use yet hides nothing from the more advanced user. Additional features include message templates, auto-replies, support for multiple identities, HTML, IMAP, SSL, editing of stored messages, spell checking, syntax colouring and encryption/signing via integration with GnuPG.
This software is a shareware. You will be able to download and test Gemini Mail during a certain period of time, then, if it does what you need, you will have to acquire the full version from Gemini Mail publisher. The Gemini Mail 2.28m free trial version contains an installer and an uninstaller, and has a size of 5937 Kilobytes.
For additional information and support request, please contact directly Gemini Mail publisher.

Gemini Mail Screenshot