AppRiver
AppRiver is an email security vendor now operating under OpenText Cybersecurity after its acquisition by Zix and then OpenText. In the email-security scope, it is known for cloud-delivered filtering, phishing and malware blocking, and encrypted message delivery for organizations that want to protect Microsoft 365 and other email environments without deploying on-premises appliances. Its portfolio also includes adjacent compliance functions such as archiving and continuity, but the core buyer is typically a small-to-mid-sized business or managed service provider looking for managed email protection and encryption.
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The Picari read
AppRiver provides cloud email security with spam, malware, phishing, and BEC filtering plus message encryption for normal inbox workflows. Its main differentiator is managed protection for Microsoft 365-style email environments without on-premises appliances, making it a fit for SMBs and MSPs that want email threat filtering and secure messaging in one service.
- Small-to-mid-sized businesses (SMBs) and Managed Service Providers (MSPs) seeking managed email protection and encryption.
- Blocking phishing and ransomware attacks.
- Ensuring secure email communication through encryption.
- Maintaining email continuity and archiving for compliance.
- Preventing data loss via email channels.
Product catalogue
AppRiver pricing and integrations
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Are you from AppRiver? Verify this profileProfile last updated on 7 September 2026 by Picari.