• Affordability: Commonly as little as 75% less than competing groupware solutions, you only pay for what you need.  More features for less money, with the same or better support.  Only $49.99/mailbox/year, includes ActiveSync (Zimbra Mobile), an average of 2GB, with additional storage only $12/GB/year.
  
• Authorized: Access to all of the software available from one of the most trusted sourced for Zimbra hosting. We host the most Zimbra Network Professional Edition mailboxes in the world.  A Zimbra authorized Host & Integrator, we only use the top-of-the-line Zimbra Network Professional Edition.
  
• Support: True 24/7 live support based in the U.S.A., not only Windows techs, but also Apple/Mac certified professionals.  With senior members training other help desks to support Zimbra, our help desk team members average more than 1.5 years of experience supporting Zimbra.  And not only do we support mobile devices, but also about half of us use iPhones, in addition to our Blackberry devices.  We try to be available for your questions at all hours.  Test us out!  Put our AIM chat on your buddy list before you get started with us: help@01.com
  
• Convenience: automatic, secure sign up, activation, secure LDAP, and complete, illustrated documentation
• Autonomy: Instantly add/delete mailboxes as needed, 24/7.  Change your white/black lists for your entire internet domain, or on a per mailbox basis.  Add a free distribution list, or mailbox alias.  Alter quotas for each mailbox from a few MB to more 11 GB (note that you are charged for storage based on the quota you assign).
  
• Flexibility: Month-to-month or discounted annual prepaid terms, no cancellation penalties, automated billing just for the services you add.
• Performance: Monitored, load-balanced Blade servers, fibre-channel storage infrastructure in a carrier-class data center
  
• Security: 256-bit public SSL encryption for HTTP, IMAP, POP, SMTP and LDAP.  Also our network and operational processes are periodically audited by world-reknown security professionals.
  
• Scalability: add as many mailboxes as you require, when you need them, at the size you want them to be
• Experience: more than 3 years in business, more than a thousand active Zimbra client organizations, tens of thousands of mailboxes managed
• Dedication: we use the tools we support, and 01.com focuses exclusively on supporting the Zimbra platform
• Innovation: with our own advanced anti-spam and anti-virus servers, Blackberry sync servers & secure LDAP, we have highly optimized Zimbra for you.  For example, we have a login widget you can easily customize to login to our servers from your own website!  We also bill differently for mailboxes you assign the "closed" status to.
  
• Expertise: we've developed custom programs to improve the efficiencies and reduce the costs of migrations and support

Many features are available only through 01.com, from major ones like instant activation and secure LDAP access for your mail clients through smaller, still significant ones, like a reduced rate for accounts you identify as "closed."