The number of mailboxes must exactly match those of your SmarterMail Installation. You can not purchase less Cyren mailboxes than your SmarterMail supports.
This product requires active Upgrade Protection on your SmarterMail installation.
For upgrades select your current version below for pricing options
The Cyren Anti-Virus add-on for SmarterMail provides the best protection for your company's mail server. Cyren can detect virus and malware the moment they reach your inbox, protecting you from damaging outbreaks. This product is available for both Professional and Enterprise versions of SmarterMail.
After your purchase we may issue a pro-rata refund. This is so that we can bring into line all your Add-on and Upgrade Protection renewals to the same date.