Mail Assure
N-able Mail Assure offers an ultra-secure, ultra-reliable email protection and archiving platform that protects businesses from phishing, malware, and other email-borne threats. Mail Assure provides the best-in-class email protection and email archiving with unparalleled service stability and excellent user experience.
24/7 Built-In Email Continuity
Compatible with Any Kind of Email Service
Mail Archiving
Additional Security Layer for Office 365
Virtually no downtime in over a decade

Advanced threat protection for email
Users can see messages in quarantine and view, release, remove, blacklist, block, or whitelist messages. This feeds into our Intelligent Protection & Filtering Engine and combines with real-time, pattern-based threat-recognition to help protect your users against emerging email-borne threats, with 2B+ spam messages blocked per month.
DKIM signatures
User & permission management
Multi-tenant web interface
Extension & attachment blocking management
Easy setup
SSL/TLS traffic encryption
Stay secure on Office 365
Mail Assure offers seamless integration with Office 365, via an add-in, to enhance your experience by helping provide protection against email threats. On top of that, Mail Assure provides email continuity solutions – even if Office 365 has an outage or is down for maintenance.
Single sign-on
Ability to train the system
24/7 built-in email continuity
Increased protection against email threats
No hardware installation required


Encrypted email archiving services
You never know when you’ll need to retrieve an old email. You may need to restore an accidentally deleted message or show evidence during the e-discovery portion of an audit or lawsuit. With Mail Assure, you can store email for as long as you need and help reduce customer data loss with robust encrypted email archiving that includes an unlimited retention period.