Exceptional Spam Filtering 
A Perfect Alternative for McAfee Email Protection Customers.
Cloud Based Spam Protection for $120 per YEAR
  • Commerical Anti Spam / Anti Virus Engine
  • Unlimited Email Boxes
  • Unlimited Number of Emails Filtered
  • Extremely Accurate Spam Filtering 
  • Enterprise Grade Plaform Reliability
  • Smart Quarantine for ALL users
Easy Migrations
  • Migrating to DuoCircle is as simple as changing your MX records once your account is created. You'll be able to adjust your filtering rules, define black and white lists and your spam thresholds. 
  • If you need migration support, we'll help you switch for FREE. 
  • No lost emails, no lost addresses, no user disruption
White Glove Service
Protecting 30 Million Mailboxes Worldwide
Trusted Name in Cloud Spam Protection
  • DuoCircle protects more than 30 million mailboxes worldwide.
  • Our Enterprise customers expect a near 100% uptime guarantee. We have filtering servers in multiple data centers around the world and include free 24/7 live technical support. 
  • We also offer Outbound SMTP with DKIM, SPF and extremely high deliverability.
Customers in over
70 Countries
25,000+ Satisfied Businesses
95% Customer
Renewal Rate
Trusted By