Barracuda Email Protection - Barracuda Essentials offers advanced Office 365 security features including email scanning, archiving, backup & recovery, and real-time phishing defense.
Thexyz - Secure premium email service with mobile sync apps for calendar, contacts, tasks, notes and FISMA compliant email archiving.
ZixArchive - ZixArchive is a cloud-based solution to collect, store and search archived emails.
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
Archive2Azure - Archive360's email archive solution retains your data in your own cloud tenant. Say NO to proprietary email archive software that own your encryption keys.
ArcMail - ArcMail is a technology innovator and leader with thousands of customers all around the world, offering multiple solutions to protect enterprise information or email management.