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Secure Email (S/MIME) Certificates

Secure email (S/MIME) certificates safeguard your emails with end-to-end encryption, ensuring privacy, authenticity, and trust. These certificates protect sensitive communications, prevent phishing attacks, and add a verified digital signature to your messages. Enhance your email security and build trust with recipients effortlessly.

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Dedicated Support
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25 Days Refund

Sectigo SPAC Basic
Strict Mailbox Validated S/MIME

  • Email Encryption
  • Email Signing
  • Document Signing
  • Client Authentication
Max. Validity:2 years
Validation:Email Verification
Certificate Fields:[email protected]
$12.99/yr
or$10.99/2 yrs

Sectigo SPAC Pro
Multipurpose Mailbox Validated S/MIME

  • Email Encryption
  • Email Signing
  • Document Signing
  • Client Authentication
Max. Validity:2 years
Validation:Email Verification
Certificate Fields:[email protected]
$27.99/yr
or$23.99/2 yrs

Sectigo SPAC Enterprise
Multipurpose Organization Validated S/MIME

  • Email Encryption
  • Email Signing
  • Document Signing
  • Client Authentication
Max. Validity:2 years
Validation:Email Validation / Organization Validation
Certificate Fields:[email protected]
$37.99/yr
or$32.99/2 yrs

What is a Secure Email (S/MIME) Certificate?

A secure email (S/MIME) certificate is a digital certificate designed to encrypt and authenticate email communications. S/MIME (Secure/Multipurpose Internet Mail Extensions) technology uses encryption to protect email content from unauthorized access and digital signatures to verify the sender’s identity and ensure message integrity.

Email Certificates

By encrypting your emails, S/MIME certificates prevent sensitive data from being intercepted or tampered with during transmission. Additionally, the digital signature assures recipients that the email genuinely originates from the verified sender and has not been altered.

Ideal for both personal and professional use, Secure Email (S/MIME) certificates are essential for businesses handling confidential information, ensuring compliance, and building trust in email communications. Whether you’re protecting customer data, sharing contracts, or securing personal conversations, these certificates provide robust, reliable email security.


Benefits of Secure Email (S/MIME) Certificates

Prevent Phishing and MITM Attacks

S/MIME certificates mitigate phishing and man-in-the-middle (MITM) attacks by encrypting sensitive email data and verifying the sender’s identity, ensuring your communication stays secure and reliable.

Compatible with Browsers and Clients

S/MIME certificates work seamlessly with popular email clients like Outlook and Thunderbird. Their universal compatibility ensures easy installation and integration into your existing systems, enhancing communication security.

Enable Two-Factor Authentication

Secure your emails further with built-in two-factor authentication. Email certificates ensure only authorized users access sensitive data, reducing the risk of unauthorized email breaches across all accounts.

Ensure FDA ESG Compliance

If you work with the FDA, S/MIME certificates are essential for ESG compliance. Encrypting emails secures sensitive data exchanges, ensuring seamless, compliant communication with federal agencies.

Cost-Effective Email Security

Affordable and flexible, secure email certificates cater to both individual and business needs. Encrypt email exchanges and protect attachments without exceeding your budget, offering great value for unparalleled security.

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Rated 4.9 out of 5 by 1109 customers

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Christopher Broderick
June 15, 2022, , united kingdom
Great selection of certificates with a clear definition of properties for each certificate makes it easy to choose the right one.
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Munro James
October 31, 2020, Victoria, AU

Easier and cheaper than going directly and ordering via the vendor, thank you for the information and the simple shopping experience.

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Kelly Mark
October 29, 2020, Dublin, IE

Excellent customer service when I ordered the wrong cert! The support team then helped me get the correct cert and refunded me on the incorrect cert I bought! Very fast and a happy customer.

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