GMS (GMS) is a commercial mail and groupware server developed by Gordano Ltd. It runs on Windows, Linux, Solaris, and AIX. Originally called NTMail^[1] which was the first commercially available mail for the Windows platform^{[citation needed]}, the products were rebranded to the Gordano Messaging Suite in August 2002 to reflect the support for additional hardware platforms and operating systems.

Features

The features of GMS include encrypted access using SSL, anti-virus and anti-spam protection, over-the-air handheld synchronization, web based webmail and calendaring interfaces and a plugin for Microsoft Outlook allowing Microsoft Exchange style functionality.

Administration is performed by a web browser using HTTP

Supported clients

Groupware

Native support for full groupware features exists for these clients:

• GMS WebMail, which supports Internet Explorer, Firefox and Safari
• Microsoft Outlook by using an Outlook plugin (both online and offline)
• Mobile devices Apple iPhone, Windows Mobile, Palm Treo, Symbian and BlackBerry using over-the-air synchronization
• Windows Calendar on Windows Vista
• Mozilla Sunbird
• Apple iCal

Mail only

• All standard mail clients IMAP, SMTP, POP3
• GMS WebMail
• GMS WebMail Mobile on mobile devices
• WAP