| Account Hijack Detection |
External Threats |
| Anti-Spoofing: Callback Verification, IP Shielding, and Reverse Lookups |
External Threats |
| Anti-Spoofing: DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF) |
External Threats |
| Anti-Spoofing: Domain-Based Message Authentication, Reporting & Conformance (DMARC) |
External Threats |
| Anti-Spyware: via Zero-Hour Threat Detection |
External Threats |
| Attachment Filtering: Block or Allow Attachments by Type |
External Threats |
| Backscatter Protection |
External Threats |
| Blacklists: Block by Addresses (Domain or Email), Hosts, and IP Address |
External Threats |
| DNS and URI Blacklists |
External Threats |
| Dynamic Screening and DDoS Defense |
External Threats |
| Extract Text from Attachments |
External Threats |
| Greylisting |
External Threats |
| Heuristic and Bayesian Engines |
External Threats |
| Location Screening |
External Threats |
| Message Certification |
External Threats |
| Message Content Filtering |
External Threats |
| Message Scoring |
External Threats |
| Multiple AV Engines |
External Threats |
| Preset File Types |
External Threats |
| Recurrent Pattern Detection |
External Threats |
| Relay Control |
External Threats |
| SMTP Authentication |
External Threats |
| Tarpitting |
External Threats |
| Threat Signature Updates |
External Threats |
| Whitelists: Exempt by Addresses (Domain or Email), Hosts, and IP Address |
External Threats |
| Zero-Hour Virus Outbreak Protection |
External Threats |
| Data Leak Prevention |
Internal Threats |
| Encryption: SSL and TLS |
Internal Threats |
| Policy Enforcement: using Sieve Filter Language |
Internal Threats |
| Bandwidth Throttling |
Performance |
| Defense Layer Customization |
Performance |
| 100% Mobile-Optimized Web-Based Control Panel GUI |
Administration |
| Available in Multiple Languages |
Administration |
| Database Maintenance |
Administration |
| Disclaimer Available in Headers and Footers |
Administration |
| Domain/IP Binding for Multi-IP Environments |
Administration |
| Domains and Users: Automatic Domain & User Creation |
Administration |
| Domains and Users: Domain Administrator Settings and Per User Options |
Administration |
| Domains and Users: Unlimited Account Aliases |
Administration |
| Email & Attachment Encryption, Tracking & Proof of Delivery, and Message E-Sign Services |
Administration |
| Email Archiving (On-Premise Only) |
Administration |
| Flexible Email Delivery Options: Direct Delivery or via Smart Host |
Administration |
| Message Quarantine Options: Domain-Level & User-Level Access |
Administration |
| Multiple Domains |
Administration |
| Support for Let's Encrypt |
Administration |
| Terms of Service Statement |
Administration |
| Account Options: Admin-Level and Individual Quarantine Management |
Administration |
| Account Options: Individual Message Logs, Whitelists, and Blacklists |
Administration |
| Drill-Down Features with Color-Coded Transcripts |
Logs |
| Historical Logs: System, Inbound, Outbound, and HTTP with Configurable Log Retention |
Logs |
| Message Logs: Domain, Global, and Quarantined Messages |
Logs |
| AntiSpam: Top Senders by Domain and Top Recipients by User |
Reports |
| AntiVirus: Inbound & Outbound Blocked and by Virus Name |
Reports |
| Drill-Down Features with Color-Coded Transcripts |
Reports |
| Email: Total Number of Messages Processed, Top Recipients by Number of Messages, and Top Recipients by Message Size |
Reports |
| Real-Time Charting |
Reports |
| Scheduled Statistics Report |
Reports |
| Summary: Inbound vs. Outbound Traffic, Junk Mail Breakdown, and Bandwidth Utilization Reports with Extensive Search & Filter Options |
Reports |