Libraesva is listed under Email security by LibraCyber. The 12 alternatives below are listed in the same category and are compared on starting price, features and reviews from other MSPs.
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Mimecast Secure email gateway, continuity, archiving and Engage awareness training, priced only on request. 
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. 
Check Point Email Security API-based email and collaboration security from Avanan, quoted through Check Point partners. 
Microsoft Defender for Office 365 Microsoft 365 email security against phishing and malware, priced per user per month. Libraesva vs Microsoft Defender for Office 365
Sophos Email Cloud email security for Microsoft 365 and Google Workspace with post-delivery remediation. 
Vade AI email security for Microsoft 365 with bundled contextual security awareness training. 
Barracuda Email Protection Cloud email security, archiving and awareness training bundled into three tiers, priced by quote only. 
SpamTitan Cloud and on-premises email security blocking phishing and malware, priced per user from $1.26 per month. Libraesva vs SpamTitan
TrendAI Email Security Cloud email protection with AI-driven phishing and malware detection, DLP, and Microsoft 365 integration. 
Trustifi Email security with inbound filtering, outbound encryption and DLP, priced per mailbox. Libraesva vs Trustifi
Sublime Security Email security via API with programmable rules, per mailbox, for Microsoft 365 and Google Workspace. Libraesva vs Sublime Security| Feature | Libraesva | Mimecast | Hornetsecurity 365 Total Protection | Proofpoint 365 Total Protection | Check Point Email Security | Microsoft Defender for Office 365 | Sophos Email |
|---|---|---|---|---|---|---|---|
| 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 | unknown | yes | yes |
| Archiving | yes | yes | yes | yes | yes | yes | yes |
| Security awareness training bundle | yes | yes | yes | yes | yes | yes | yes |
| API-based post-delivery scanning | no | yes | unknown | yes | yes | yes | yes |
| DMARC monitoring | yes | yes | yes | yes | yes | yes | yes |
| Attachment sandboxing | yes | yes | yes | yes | yes | yes | yes |
| Data loss prevention | unknown | unknown | yes | yes | yes | yes | yes |
| Email encryption | unknown | yes | yes | yes | unknown | yes | yes |
| Microsoft 365 integration | yes | yes | yes | yes | yes | yes | yes |
| Self-service quarantine | unknown | unknown | yes | unknown | unknown | yes | yes |
Mimecast, which matches 8 of the 8 features Libraesva supports.
Sublime Security has a free version.
