Inbound filtering service
Included inbound emails
Inbound message size limit
Outbound SMTP service
Outbound relays included
Outbound message size limit
SMTP relay / smart host
Domain-based pricing
Unlimited email addresses
Spam, virus, and malware filtering
Over 22 million filter rules (and counting)
Tracking 100+ million senders
Virus and malware filtering
Domain-wide filtering policies
Custom domain-level filter rules
Geographic policy filters
Attachment "type" filters
Microsoft Office macro filter
Fail-safe design
Email archiving
Mail bagging (5 days)
Distributed cloud-based setup
Destination fail-over MX support
Remote monitoring systems
Mail host monitoring
Quarantine message research tool
Domain wide shared quarantine
Individual quarantines
Schedule hourly, daily, or weekly reports
View and recover quarantined mail
View and re-deliver clean mail
View message delivery status
View raw mail logs
Automatic quarantine provisioning
Advanced features
Dashboard with statistics
Valid email address list
Approved senders list (whitelisting)
Blocked senders list (blacklisting)
Active Directory / LDAP sync
Domain alias setup
Custom email address forwarding
Catch-all address
Basic encryption using TLS
Two-factor authentication
Additional 100,000 inbound messages
Additional 5,000 outbound messages
Overage billing spike protection
Customer support
First level support (via phone)
Second level support (via email)
Competitive pricing
First year, pre-paid annual pricing
Pre-paid annual pricing
Monthly pricing