# DigiCert Secure Email (S/MIME) Certs vs Zivver Secure Email Gateway: side-by-side comparison (2026) [DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/tools/digicert-secure-email-smime-certs) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [DigiCert](https://cybersectools.com/companies/digicert). [Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Zivver](https://cybersectools.com/companies/zivver). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | DigiCert Secure Email (S/MIME) Certs | Zivver Secure Email Gateway | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Encryption | Email Encryption | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | DigiCert | Zivver | | Headquarters | – | – | ### Use cases and capabilities | | DigiCert Secure Email (S/MIME) Certs | Zivver Secure Email Gateway | |---|---|---| | Encryption | Yes | Yes | | SMTP | Yes | – | | Gateway | – | Yes | ### Core features **DigiCert Secure Email (S/MIME) Certs** 9 features listed. Sign in on the page to see them. **Zivver Secure Email Gateway** 10 features listed. Sign in on the page to see them. ### Integrations **DigiCert Secure Email (S/MIME) Certs** 4 integrations listed. Sign in on the page to see them. **Zivver Secure Email Gateway** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/tools/digicert-secure-email-smime-certs) fits if you want a cloud product and you are a startup. - [Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway) fits if you need both cloud and on-premises options. ## DigiCert Secure Email (S/MIME) Certs vs Zivver Secure Email Gateway FAQ Common questions when comparing DigiCert Secure Email (S/MIME) Certs vs Zivver Secure Email Gateway for email encryption. ### What is the difference between DigiCert Secure Email (S/MIME) Certs and Zivver Secure Email Gateway? **DigiCert Secure Email (S/MIME) Certs**: S/MIME certificates for end-to-end email encryption and signing. Built by DigiCert. **Zivver Secure Email Gateway**: Secure email gateway with automated DLP and zero-knowledge encryption. Built by Zivver. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes DigiCert Secure Email (S/MIME) Certs and Zivver Secure Email Gateway? **DigiCert Secure Email (S/MIME) Certs** is made by DigiCert. **Zivver Secure Email Gateway** is made by Zivver. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is DigiCert Secure Email (S/MIME) Certs a good alternative to Zivver Secure Email Gateway? Often, yes. DigiCert Secure Email (S/MIME) Certs and Zivver Secure Email Gateway are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [DigiCert Secure Email (S/MIME) Certs vs Z1 SecureMail Gateway](https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-zertificon-z1-solutions) - [DigiCert Secure Email (S/MIME) Certs vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-seppmail-secure-email-gateway) - [DigiCert Secure Email (S/MIME) Certs vs LuxSci](https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-luxsci) - [Zivver Secure Email Gateway vs Z1 SecureMail Gateway](https://cybersectools.com/compare/zertificon-z1-solutions-vs-zivver-secure-email-gateway) - [Zivver Secure Email Gateway vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zivver-secure-email-gateway) - [Zivver Secure Email Gateway vs LuxSci](https://cybersectools.com/compare/luxsci-vs-zivver-secure-email-gateway) ## Alternatives to each - [See all DigiCert Secure Email (S/MIME) Certs alternatives](https://cybersectools.com/alternatives/digicert-secure-email-smime-certs) - [See all Zivver Secure Email Gateway alternatives](https://cybersectools.com/alternatives/zivver-secure-email-gateway) --- Source: https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-zivver-secure-email-gateway For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/digicert-secure-email-smime-certs.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on DigiCert Secure Email (S/MIME) Certs and Zivver Secure Email Gateway: 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=compare-md