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Safe email correspondence
with the Certum S/MIME Certificate

Buy or renew a Certificate
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Automatic multiple
Certificate Activation

20 years

Of experience

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Technical infrastructure
located in the EU

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One of the largest Certification
Authorities in Europe

The benefits of Certum S/MIME Certificate

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Email Security

Protect your email privacy by signing and encrypting communication, using Certum S/MIME Certificates.

Thanks to the unique signature function, you will be certain that emails sent by you are well protected against potential leaks or modification. You will also assure the recipient of your identity.

Take advantage of the complex protection provided by our certificates and protect your emails with one click.

User Authentication

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The S/MIME Certificate is extremely versatile. You can also use it to protect your Windows Computer, by using the user authentication feature for systems or applications.

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S/MIME Certificate Family

INDIVIDUAL

BUSINESS

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Confirm your identity on the Internet

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Confirm the authenticity of your company online

This certificate allows you to prevent content tampering, encrypt messages, prove the origin of your messages, and ensure safe communication.

This certificate allows you to prevent business content tampering, encrypt confidential messages, prove the origin of messages from your company, and contact your contractors safely.

Recommended for

Individuals

  • sole traders
  • small, medium-sized, and big companies
  • financial and insurance institutions
  • e-health
  • online banking
  • administration offices

Validity period

1-3 years

1-3 years

Issue time

15 minutes

24 hours

Owner’s data

email address

email address
first and last name
company data

Financial warranty

6 000 €

60 000 €

INDIVIDUAL

_person_blue

Confirm your identity on the Internet

This certificate allows you to prevent content tampering, encrypt messages, prove the origin of your messages, and ensure safe communication.

Recommended for

Individuals

Validity period

1-3 years

Issue time

15 minutes

Owner’s data

email address

Financial warranty

6 000 €

BUSINESS

_people_orange

Confirm the authenticity of your company online

This certificate allows you to prevent business content tampering, encrypt confidential messages, prove the origin of messages from your company, and contact your contractors safely.

Recommended for

  • sole traders
  • small, medium-sized, and big companies
  • financial and insurance institutions
  • e-health
  • online banking
  • administration offices

Validity period

1-3 years

Issue time

24 hours

Owner’s data

email address
first and last name
company data

Financial warranty

60 000 €

Certum S/MIME Certificate Features

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Increased Credibility

The S/MIME Certificate is a proof that you care about the privacy of your electronic correspondence.

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Short Issue Time

Individual Certificates are issued automatically, even in 15 minutes, and Business Certificated up to 24 hours.

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Email Encryption

Every message sent from a certified email address is encrypted, and thanks to it, the correspondence is safe.

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WebTrust Compatibility

Certum is among the best certification authorities which are the holders of WebTrust Seal of Assurance.

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Global Trust

99.9% email clients recognize the S/MIME Certificate

Let us help you choose

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Buy the Certificate from our Reseller

Consult one of the 300 authorized Resellers.

Find a Reseller
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Ask a Consultant

Get answers from our Consultants

Get in touch with us