It was one of the first mail servers to run on Windows NT using Internet standards when version 1.2 was released in 1996 and is currently still in development.
It also includes an Exchange ActiveSync (EAS) server for synchronizing mail, calendar and contacts with mobile devices.
MailSite also works with Internet Standards-based mail clients such as Mozilla Thunderbird.
MailSite SE is a single-server package for small and medium enterprises.
MailSite provides the following set of features: Groupware MailSite provides native support for mail, calendar and contact sync for these clients: Mail only