Thexyz - Secure premium email service with mobile sync apps for calendar, contacts, tasks, notes and FISMA compliant email archiving.
MailArchiva - MailArchiva is an email archiving, email compliance, and e-Discovery enterprise server.
ZixArchive - ZixArchive is a cloud-based solution to collect, store and search archived emails.
Vaultastic - Vaultastic’s on-demand SaaS platform provides Protection, Visibility & Control for your Critical Business Data with Agile Cloud Archival.
Barracuda Message Archiver - Barracuda Message Archiver is an application that enables you to retrieve and retain all email communication while reducing storage recommendations.
MailVault - MailVault is a cloud-based IT software that archives and self-prunes based on user settings.