Ensure your Private Email Communication is Safe, Secure and Validated.
DigiCert S/MIME CertificateEncrypt Emails + All Its Content
A DigiCert S/MIME Email Certificate uses a robust 2048-bit RSA signature key asymmetric cryptography to encrypt your emails, making it impossible for unauthorized users or hackers to read them. It also applies your cryptographic (digital) signature to emails so that recipients can quickly verify the email is coming from you and that there was no tampering while in transit.
Protect your Email Communication from Cyber Criminals
Encrypt your Email by Digitally Sign it.
DigiCert's S/MIME Certificate enhances network, app, and server protection with certificate-based two-factor authentication. Only authorized users with client certificates access sensitive data, reducing reliance on usernames and passwords.
Some of the most used email clients that support DigiCert S/MIME are:
It offers good compatibility with most of all the popular email clients and mobile devices:
- Apple Mail
- IBM Notes
- iPhone iOS Mail
- Mozilla Thunderbird
- Microsoft Outlook or Outlook on the Web
DigiCert S/MIME Certificate Benefits
It enables users to sign their emails and documents digitally. This digital signature assures the user receiving the email or document regarding the legitimacy and integrity of the received digitally signed content.
S/MIME Certificates offered by DigiCert are compatible with "n" number of email clients. This broad compatibility ensures users can seamlessly integrate digital signatures and encryption into their preferred communication tools.
Trust and Assurance
DigiCert, a trusted CA, is renowned for its unwavering commitment to security and reliability. Utilizing their S/MIME Certificate instills high trust and assurance in both the sender and recipient of digitally signed content.
Robust Encryption Strength
It gives you strong encryption for all the signed emails you send. It shields it using a robust RSA public-key SHA-2 algorithm that assure email is secure and isn't modified or read by an unintended entity.
Frequently Asked Questions
Have Questions? We're here to help.
What is a S/MIME certificate?
S/MIME, or Secure/Multipurpose Internet Mail Extensions, empowers users to safeguard email integrity and privacy. Its encryption protocol uses a two-key system (Public and Private) to encrypt and decrypt an email and prevent external tampering.
Why to use S/MIME certificates?
S/MIME secures email communication from cyber-attacks like phishing, spoofing, and social engineering. It also provides users and partners an explicit trust and security level with the use of digital signatures.
How to use DigiCert S/MIME in the Google Chrome web browser?
To use DigiCert S/MIME in Outlook in the Google Chrome web browser, set and configure the Chromium policy named ExtensionInstallForcelist to install the Microsoft S/MIME extension in Chrome.
Which three signature hash options are available when buying a DigiCert S/MIME certificate?
When buying the DigiCert S/MIME Email Certificate, you have three (3) signature hash options: SHA-256, SHA-384, and SHA512. Depending on your requirements, you can pick anyone.
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