Mission Critical Email Is All We Do
Mission Critical Email Is All We Do

More than 100 companies rely on us for their mission-critical Zimbra Hosting, Training and Professional Services, Office 365 and Mimecast Security, Compliance and Continuity.

Hardened Zimbra Hosting
Hardened Zimbra Hosting

We host more than 60 global and domestic companies in our hardened, HIPAA-compliant Zimbra environment on Amazon Web Services.  Learn why Zimbra themselves asked us to present on AWS Hosting Best Practices at the recent North American Partners conference.

Zimbra Professional Services
Zimbra Professional Services

For more than 12 years our Zimbra Professional Services have satisfied scores of Zimbra customers and other Zimbra partners globally. We solve thorny issues including: Life Cycle upgrades and migrations; Disaster Recovery; Security Hardening and Compliance.

Zimbra Certified Training
Zimbra Certified Training

We are the leading Zimbra Certified Training Partner in the United States, and we supplement Zimbra’s core curriculum with our bespoke Best Practices from more than a decade of Zimbra Hosting, as well as our state-of-the-art Zimbra Lab on Amazon Web Services.

Who We Are

Mission Critical Email is led by L. Mark Stone; a Zimbra Partner since 2006 ::   Our proprietor adopted Zimbra for his own company around the same time that Zimbra’s parent company Synacor also adopted Zimbra for...
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What We Do

Mission Critical Email Provides Zimbra Hosting, Licensing, Professional Services and Training; Office 365 Licensing and Migration Services, and; Email Security, Compliance, and Continuity Through Mimecast ::   Zimbra As a BSP (Business Service Provider) Partner, we...
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