# Paubox Email Encryption alternatives and competitors (2026) The closest Paubox Email Encryption alternatives are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [LuxSci](https://cybersectools.com/tools/luxsci) and [TitanHQ EncryptTitan](https://cybersectools.com/tools/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 alternatives. Closest matches: Z1 SecureMail Gateway, LuxSci, TitanHQ EncryptTitan. ## The product [Paubox Email Encryption](https://cybersectools.com/tools/paubox-email-encryption) by Paubox HIPAA-compliant email encryption for Google Workspace and Microsoft 365 Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial ## Paubox Email Encryption alternatives and competitors Paubox Email Encryption is a commercial [Email Encryption](https://cybersectools.com/categories/email-encryption) solution made by Paubox. The closest matches by shared tags and NIST CSF 2.0 coverage are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [LuxSci](https://cybersectools.com/tools/luxsci), [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan), [OpenText Core Email Encryption](https://cybersectools.com/tools/opentext-core-email-encryption), and [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption). All 27 alternatives on this page are ranked the same way. ## The closest Paubox Email Encryption alternatives These 8 solutions overlap most with Paubox Email Encryption. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions) Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing. [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial 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 [Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions) · [Paubox Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/paubox-email-encryption-vs-zertificon-z1-solutions) ### 2. [LuxSci](https://cybersectools.com/tools/luxsci) HIPAA-compliant email, marketing, and forms platform for healthcare orgs. [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [LuxSci page](https://cybersectools.com/tools/luxsci#features). [LuxSci alternatives](https://cybersectools.com/alternatives/luxsci) · [Paubox Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-paubox-email-encryption) ### 3. [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan) Email encryption solution for secure information exchange via email [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [TitanHQ EncryptTitan page](https://cybersectools.com/tools/titanhq-encrypttitan#features). [TitanHQ EncryptTitan alternatives](https://cybersectools.com/alternatives/titanhq-encrypttitan) · [Paubox Email Encryption vs TitanHQ EncryptTitan](https://cybersectools.com/compare/paubox-email-encryption-vs-titanhq-encrypttitan) ### 4. [OpenText Core Email Encryption](https://cybersectools.com/tools/opentext-core-email-encryption) Cloud-based email encryption with automated DLP policies and delivery methods [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [OpenText Core Email Encryption page](https://cybersectools.com/tools/opentext-core-email-encryption#features). [OpenText Core Email Encryption alternatives](https://cybersectools.com/alternatives/opentext-core-email-encryption) · [Paubox Email Encryption vs OpenText Core Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-paubox-email-encryption) ### 5. [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption) Email encryption service with automated delivery and compliance tracking [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [RPost RMail Email Encryption page](https://cybersectools.com/tools/rpost-rmail-email-encryption#features). [RPost RMail Email Encryption alternatives](https://cybersectools.com/alternatives/rpost-rmail-email-encryption) · [Paubox Email Encryption vs RPost RMail Email Encryption](https://cybersectools.com/compare/paubox-email-encryption-vs-rpost-rmail-email-encryption) ### 6. [CloudMask E2EE for Healthcare](https://cybersectools.com/tools/cloudmask-e2ee-for-healthcare) E2E encryption for healthcare emails, files & apps protecting ePHI/PII. [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 7 listed. See them on the [CloudMask E2EE for Healthcare page](https://cybersectools.com/tools/cloudmask-e2ee-for-healthcare#features). [CloudMask E2EE for Healthcare alternatives](https://cybersectools.com/alternatives/cloudmask-e2ee-for-healthcare) · [Paubox Email Encryption vs CloudMask E2EE for Healthcare](https://cybersectools.com/compare/cloudmask-e2ee-for-healthcare-vs-paubox-email-encryption) ### 7. [PreVeil Email](https://cybersectools.com/tools/preveil-email) E2E encrypted email for regulated industries handling CUI and ITAR data. [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 9 listed. See them on the [PreVeil Email page](https://cybersectools.com/tools/preveil-email#features). [PreVeil Email alternatives](https://cybersectools.com/alternatives/preveil-email) · [Paubox Email Encryption vs PreVeil Email](https://cybersectools.com/compare/paubox-email-encryption-vs-preveil-email) ### 8. [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway) 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. Secure email gateway providing automated email encryption and digital signing [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 6 listed. See them on the [SEPPmail Secure Email Gateway page](https://cybersectools.com/tools/seppmail-secure-email-gateway#features). [SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway) · [Paubox Email Encryption vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/paubox-email-encryption-vs-seppmail-secure-email-gateway) ## All 27 products like Paubox Email Encryption The 8 above, plus: - [Kiteworks Secure Email](https://cybersectools.com/tools/kiteworks-secure-email): Secure email platform with encryption, DLP, and policy automation (Commercial) - [Nightfall Data Encryption](https://cybersectools.com/tools/nightfall-data-encryption): AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA (Commercial) - [Egress Protect](https://cybersectools.com/tools/egress-protect): End-to-end email encryption with DLP and access controls for Microsoft 365 (Commercial) - [INKY Email Encryption](https://cybersectools.com/tools/inky-email-encryption): Email encryption solution for securing sensitive data in email communications (Commercial) - [Galaxkey Email Encryption Software](https://cybersectools.com/tools/galaxkey-email-encryption-software): Email encryption software using FIPS 140-2 compliant modules and RSA keys (Commercial) - [Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway): Secure email gateway with automated DLP and zero-knowledge encryption (Commercial) - [Virtru Email Encryption](https://cybersectools.com/tools/virtru-email-encryption): End-to-end email encryption for Gmail and Outlook with access controls (Commercial) - [Seclore Email Encryption](https://cybersectools.com/tools/seclore-email-encryption): Email encryption solution with access control, tracking, and revocation (Commercial) - [Smartlockr Secure Email for Recruiters](https://cybersectools.com/tools/smartlockr-secure-email-for-recruiters): Secure email solution for recruiters to encrypt and share sensitive candidate data (Commercial) - [SecurelyShare for Email](https://cybersectools.com/tools/securelyshare-for-email): End-to-end email encryption solution with centralized policy management (Commercial) - [Beyond Encryption Mailock® Secure Email](https://cybersectools.com/tools/beyond-encryption-mailockr-secure-email): Encrypted email platform with recipient verification, tracking, and revocation. (Commercial) - [DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/tools/digicert-secure-email-smime-certs): S/MIME certificates for end-to-end email encryption and signing. (Commercial) - [Echoworx Branding as a Service](https://cybersectools.com/tools/echoworx-branding-as-a-service): White-label branding layer for Echoworx's email encryption platform. (Commercial) - [Intermedia Email Encryption](https://cybersectools.com/tools/intermedia-email-encryption): Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs. (Commercial) - [SalaX Secure Mail](https://cybersectools.com/tools/salax-secure-mail): Email encryption solution for secure organizational communications. (Commercial) - [StealthMail](https://cybersectools.com/tools/stealthmail): Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities. (Commercial) - [Honeycake Email](https://cybersectools.com/tools/honeycake-email): Email client plugin that encrypts file attachments into .cake format before sending. (Commercial) - [PRIM'X ZEDMAIL](https://cybersectools.com/tools/primx-zedmail): Transparent email and attachment encryption for corporate messaging via Outlook (Commercial) - [Green Radar grKey](https://cybersectools.com/tools/green-radar-grkey) (Commercial) ## Alternatives to each of these [Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions) · [LuxSci alternatives](https://cybersectools.com/alternatives/luxsci) · [TitanHQ EncryptTitan alternatives](https://cybersectools.com/alternatives/titanhq-encrypttitan) · [OpenText Core Email Encryption alternatives](https://cybersectools.com/alternatives/opentext-core-email-encryption) · [RPost RMail Email Encryption alternatives](https://cybersectools.com/alternatives/rpost-rmail-email-encryption) · [CloudMask E2EE for Healthcare alternatives](https://cybersectools.com/alternatives/cloudmask-e2ee-for-healthcare) · [PreVeil Email alternatives](https://cybersectools.com/alternatives/preveil-email) · [SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway) · [Kiteworks Secure Email alternatives](https://cybersectools.com/alternatives/kiteworks-secure-email) · [Nightfall Data Encryption alternatives](https://cybersectools.com/alternatives/nightfall-data-encryption) · [Egress Protect alternatives](https://cybersectools.com/alternatives/egress-protect) · [INKY Email Encryption alternatives](https://cybersectools.com/alternatives/inky-email-encryption) ## Compare Paubox Email Encryption with - [Paubox Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/paubox-email-encryption-vs-zertificon-z1-solutions) - [Paubox Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-paubox-email-encryption) - [Paubox Email Encryption vs TitanHQ EncryptTitan](https://cybersectools.com/compare/paubox-email-encryption-vs-titanhq-encrypttitan) - [Paubox Email Encryption vs OpenText Core Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-paubox-email-encryption) - [Paubox Email Encryption vs RPost RMail Email Encryption](https://cybersectools.com/compare/paubox-email-encryption-vs-rpost-rmail-email-encryption) - [Paubox Email Encryption vs CloudMask E2EE for Healthcare](https://cybersectools.com/compare/cloudmask-e2ee-for-healthcare-vs-paubox-email-encryption) - [Paubox Email Encryption vs PreVeil Email](https://cybersectools.com/compare/paubox-email-encryption-vs-preveil-email) - [Paubox Email Encryption vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/paubox-email-encryption-vs-seppmail-secure-email-gateway) ## Paubox Email Encryption Alternatives FAQ ### What are the closest 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. ### How many alternatives to Paubox Email Encryption are available? 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. ### Is Paubox Email Encryption free or commercial? 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. ### What type of solution is Paubox Email Encryption? 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. --- Source: https://cybersectools.com/alternatives/paubox-email-encryption For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Paubox Email Encryption and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md