Comparison of S/MIME Certificates

Type Sectigo personal email signature Sectigo enterprise mail signature
Price 220 mo/year 220 mo/year
Applicable scenarios Personal mailbox Personal mailbox or corporate mailbox
Recommended for personal Individuals or small businesses
Years that can be issued 1,2,3 years 1,2,3 years
Authentication method Email address only Name, email address, domain name ownership and enterprise information
Issuing speed 5-10 minutes 3-7 working days
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Feature of S/MIME Certificate

Safety protection

Ensure end-to-end message encryption between you and your contacts to prevent packet sniffing or HTTPS proxy interception and decryption.

Strong compatibility

Support all mainstream email clients and browsers, including Microsoft Outlook, Foxmail, Exchange mailbox, etc.

Automatic document signature

The ability to digitally sign Microsoft Office and OpenOffice documents.

Industry compliance email signature

Comply with many industry encryption standards, including GDPR, HIPAA, FBI, etc. It is also FDA's first Email safety certificate.

Working Principle of S/MIME Certificate

Mail signature ensures information security through three links

  • Confirm the authenticity of the certificate when sending the mail
  • Encrypt e-mail content and attachments
  • Yes, verify the integrity of the message
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