Key Features |  |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|
| MailShark Free | MailShark Enterprise | Symantec Messaging Gateway | Proofpoint Threat Protection | Sophos Secure Email Gateway | Cisco IronPort | Mail Guard Email Filtering | |
| Free Anti-Spam |  60 days | |  Optional | Enterprise only | | 30 Day Free Trial | 14 Day Free Trial afterwards $90 setup fee |
| Free Email Filtering | 60 days | | | | | Included | 14 Day Free Trial afterwards $90 setup fee |
| Web based Interface | | | | | | | |
| Store Emails when your mail server is offline | | | | | | | |
| Cloud Based Email Services | | | Hardware Appliance | | Hardware Appliance | Hardware Appliance | |
| Long term Email Archiving | | | | | | | |
| Product Discount | | Up to 10% Off | | | | Special Offers Available | |
| Dropbox for Business | | Details | | | | | |
| One Free Domain name Registration | | | | | | | |
| 10 User Hosted Email | | | | | | | |