Sophos Email is listed under Email security by Sophos. The 12 alternatives below are listed in the same category and are compared on starting price, features and reviews from other MSPs.
Updated .
Microsoft Defender for Office 365 Microsoft 365 email security against phishing and malware, priced per user per month. Sophos Email vs Microsoft Defender for Office 365
SpamTitan Cloud and on-premises email security blocking phishing and malware, priced per user from $1.26 per month. Sophos Email vs SpamTitan
Hornetsecurity 365 Total Protection M365 email security, backup and compliance suite from Hornetsecurity, part of Proofpoint, quote-only. 
Proofpoint 365 Total Protection Microsoft 365 security and backup suite for small businesses, quoted through MSPs. 
TrendAI Email Security Cloud email protection with AI-driven phishing and malware detection, DLP, and Microsoft 365 integration. 
Vade AI email security for Microsoft 365 with bundled contextual security awareness training. 
Mimecast Secure email gateway, continuity, archiving and Engage awareness training, priced only on request. 
Barracuda Email Protection Cloud email security, archiving and awareness training bundled into three tiers, priced by quote only. 
Trustifi Email security with inbound filtering, outbound encryption and DLP, priced per mailbox. Sophos Email vs Trustifi
Check Point Email Security API-based email and collaboration security from Avanan, quoted through Check Point partners. 
Mailprotector Channel-only email filtering, encryption and archiving for MSPs, priced only on request. 
Cisco Secure Email On-premises, hybrid or cloud email security from Cisco, per-user licensing, quote-only pricing. | Feature | Sophos Email | Microsoft Defender for Office 365 | SpamTitan | Hornetsecurity 365 Total Protection | Proofpoint 365 Total Protection | TrendAI Email Security | Vade |
|---|---|---|---|---|---|---|---|
| Phishing and malware filtering | yes | yes | yes | yes | yes | yes | yes |
| Spoofing and impersonation protection | yes | yes | yes | yes | yes | yes | yes |
| Email continuity | yes | yes | yes | yes | yes | yes | unknown |
| Archiving | yes | yes | yes | yes | yes | yes | yes |
| Security awareness training bundle | yes | yes | unknown | yes | yes | unknown | yes |
| API-based post-delivery scanning | yes | yes | yes | unknown | yes | yes | yes |
| DMARC monitoring | yes | yes | yes | yes | yes | yes | yes |
| Attachment sandboxing | yes | yes | yes | yes | yes | yes | yes |
| Data loss prevention | yes | yes | yes | yes | yes | yes | yes |
| Email encryption | yes | yes | yes | yes | yes | yes | yes |
| Microsoft 365 integration | yes | yes | yes | yes | yes | yes | yes |
| Self-service quarantine | yes | yes | yes | yes | unknown | yes | unknown |
Microsoft Defender for Office 365, which matches 12 of the 12 features Sophos Email supports.
