The product
by Paubox
HIPAA-compliant email encryption for Google Workspace and Microsoft 365
The closest Paubox Email Encryption alternatives are Z1 SecureMail Gateway, LuxSci and TitanHQ EncryptTitan. Picking a Paubox Email Encryption alternative comes down to fit: Email Encryption coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
27 alternativesClosest matches: Z1 SecureMail Gateway, LuxSci, TitanHQ EncryptTitanPage updated Nov 2026
The product
by Paubox
HIPAA-compliant email encryption for Google Workspace and Microsoft 365
Paubox Email Encryption is a commercial Email Encryption solution made by Paubox. The closest matches by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, LuxSci, TitanHQ EncryptTitan, OpenText Core Email Encryption, and RPost RMail Email Encryption. All 27 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Paubox Email Encryption. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
Key features: Digital email signing for authenticity and integrity, Automated certificate management via CertMagic®, Inter-organizational encrypted email exchange via GlobalCrypt®, Cloud deployment support for Azure/M365 and Google Cloud/Workspace, Centralized server-side encryption transparent to end users
View Z1 SecureMail GatewayZ1 SecureMail Gateway alternativesPaubox Email Encryption vs Z1 SecureMail Gateway
HIPAA-compliant email, marketing, and forms platform for healthcare orgs.
Key features: 10 listed. See them on the LuxSci page.
View LuxSciLuxSci alternativesPaubox Email Encryption vs LuxSci
Email encryption solution for secure information exchange via email
Key features: 10 listed. See them on the TitanHQ EncryptTitan page.
View TitanHQ EncryptTitanTitanHQ EncryptTitan alternativesPaubox Email Encryption vs TitanHQ EncryptTitan
Cloud-based email encryption with automated DLP policies and delivery methods
Key features: 10 listed. See them on the OpenText Core Email Encryption page.
View OpenText Core Email EncryptionOpenText Core Email Encryption alternativesPaubox Email Encryption vs OpenText Core Email Encryption
Email encryption service with automated delivery and compliance tracking
Key features: 10 listed. See them on the RPost RMail Email Encryption page.
View RPost RMail Email EncryptionRPost RMail Email Encryption alternativesPaubox Email Encryption vs RPost RMail Email Encryption
E2E encryption for healthcare emails, files & apps protecting ePHI/PII.
Key features: 7 listed. See them on the CloudMask E2EE for Healthcare page.
View CloudMask E2EE for HealthcareCloudMask E2EE for Healthcare alternativesPaubox Email Encryption vs CloudMask E2EE for Healthcare
E2E encrypted email for regulated industries handling CUI and ITAR data.
Key features: 9 listed. See them on the PreVeil Email page.
View PreVeil EmailPreVeil Email alternativesPaubox Email Encryption vs PreVeil Email
SEPPmail Secure Email Gateway is an email security product that provides encryption and digital signing for email communications. It is designed to secure email traffic for organizations by enabling encrypted and signed message exchange with external and internal recipients. The gateway integrates with existing mail infrastructure to automatically apply encryption and decryption based on defined policies, without requiring end users to install additional software or manage encryption keys manually. It supports common encryption standards to enable secure communication with business partners and customers regardless of the encryption technology they use. The product is aimed at organizations that need to comply with data protection regulations and secure sensitive information sent via email, such as financial, healthcare, or legal data.</description> <parameter name="summary">Secure email gateway providing automated email encryption and digital signing
Key features: 6 listed. See them on the SEPPmail Secure Email Gateway page.
View SEPPmail Secure Email GatewaySEPPmail Secure Email Gateway alternativesPaubox Email Encryption vs SEPPmail Secure Email Gateway
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
Email encryption solution for secure information exchange via email
Cloud-based email encryption with automated DLP policies and delivery methods
Email encryption service with automated delivery and compliance tracking
E2E encryption for healthcare emails, files & apps protecting ePHI/PII.
E2E encrypted email for regulated industries handling CUI and ITAR data.
Secure email platform with encryption, DLP, and policy automation
AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA
End-to-end email encryption with DLP and access controls for Microsoft 365
Email encryption solution for securing sensitive data in email communications
Email encryption software using FIPS 140-2 compliant modules and RSA keys
Secure email gateway with automated DLP and zero-knowledge encryption
End-to-end email encryption for Gmail and Outlook with access controls
Email encryption solution with access control, tracking, and revocation
Secure email solution for recruiters to encrypt and share sensitive candidate data
End-to-end email encryption solution with centralized policy management
Encrypted email platform with recipient verification, tracking, and revocation.
S/MIME certificates for end-to-end email encryption and signing.
White-label branding layer for Echoworx's email encryption platform.
Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs.
Email encryption solution for secure organizational communications.
Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities.
Email client plugin that encrypts file attachments into .cake format before sending.
Transparent email and attachment encryption for corporate messaging via Outlook
Common questions when weighing alternatives to Paubox Email Encryption.
The closest matches to Paubox Email Encryption by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, LuxSci, TitanHQ EncryptTitan, OpenText Core Email Encryption, and RPost RMail Email Encryption. All of them are Email Encryption products.
This page shows 27 alternatives to Paubox Email Encryption, all in the Email Encryption category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Paubox Email Encryption is a commercial Email Encryption product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Paubox Email Encryption is a Email Encryption product in the Email & Messaging Security category. You can compare it with the 27 other Email Encryption products on this page.
No Email Encryption shortlist yet. This is the closest one.
Updated 2026-11-02
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