Encrypt and digitally sign your emails for complete privacy and authenticity.S/MIME certificates for personal & business email security starting at just $4.99/year.
Secure personal email communications with encryption and digital signatures
Enhanced email security for business and company communications
Protect sensitive information with end-to-end email encryption
Verify sender identity and ensure email integrity with digital signatures
Detect any unauthorized changes to your email content and attachments
Works with Outlook, Thunderbird, Apple Mail, and all major email clients
Meet regulatory requirements for secure communication in legal, healthcare, and financial sectors
Protect confidential business information, contracts, and sensitive client communications
Keep your personal emails private and secure from unauthorized access and interception
Install your S/MIME certificate in your email client (Outlook, Thunderbird, etc.)
Your emails are automatically signed and encrypted before sending
Recipients can verify your identity and decrypt secure messages
Our S/MIME certificates work seamlessly with all major email applications and platforms
Native S/MIME support in Outlook desktop, web, and mobile applications
Built-in S/MIME encryption and signing for macOS and iOS devices
Open-source email client with comprehensive S/MIME capabilities
Exchange Server, IBM Notes, and other enterprise email platforms
Meet industry standards and regulatory requirements with S/MIME encryption
Meet healthcare industry requirements for protecting patient information in email communications
Secure financial communications and audit trails for Sarbanes-Oxley compliance requirements
Protect personal data in email communications to meet European privacy regulations
"S/MIME encryption is essential for our client communications. The setup was straightforward and works perfectly with Outlook."
"HIPAA compliance made easy. Our medical staff can now send patient information securely via email."
"Perfect for sensitive legal communications. Clients appreciate the added security and professional appearance."
Join organizations worldwide who trust S/MIME for secure email communication