Redirecting you to

Enterprise Email Security with Signing & Encryption

Automate Encrypted Emails‎ and Put a Stop to Hackers and Phishing Scams

With Sectigo Zero-Touch S/MIME encryption, you can seamlessly deploy and maintain email certificates for any user on any device across the enterprise - all with a single click. Avoid the manual and error-prone process of downloading and installing S/MIME email certificates with our S/MIME automation solution.

Schedule a Demo

Download our Enterprise S/MIME Whitepaper

Download our whitepaper to learn more about email encryption and authentication of digital identities for all employees and devices in the enterprise.

Ensure That Messages Are Authentic and Safe

Secure corporate email accounts by digitally signing and encrypting communications with our Secure/Multipurpose Internet Mail Extensions (S/MIME) email certificates, also called Personal ID certificates. S/MIME email certificates validate the digital identity of the user and encrypt and decrypts email and attachments. Sectigo secure Email certificates are supported by all the major email providers and mail applications, including Microsoft Outlook, Exchange, Gmail, popular mobile operating systems, and more.

Play video

Benefits of Sectigo S/MIME Email Certificates

Email Signing

Verify emails came from the intended sender to protect your business against phishing, malware, and business email compromise (BEC). Prevent data breaches of sensitive information by detecting if the webmail or attachments were modified after the digital signature/digital id.

Email Encryption

Enable end-to-end encryption for email messages and attachments between you and your intended recipients. Encrypted messages cannot be intercepted and decrypted by man-in-the-middle attackers, packet-sniffers, or https proxies.

Regulatory Compliance

S/MIME email certificates help organizations remain compliant with security and privacy requirements, including GDPR, HIPAA, DFARS, NIST & ITAR, and other U.S. federal regulations.

What Sets Us Apart

Sectigo by the Numbers

Sectigo is the market leader in SSL / TLS certificates, DevOps, IoT, enterprise-grade PKI (Public Key Infrastructure) management, and multi-layered web security.


Icon certificate issuance light

Certificates issued worldwide


Icon award trophy light

Market leader in SSL certificates


Icon hand shake light

Active partners worldwide


Globe Global lightgray

Businesses on the Sectigo platform


Icon person light

Active digital certificates


Icon building light

Of the Fortune 1000 use Sectigo