Secure Email Certificates
Encrypt and digitally sign your emails with S/MIME certificates. Protect personal & business email from phishing.
From $8.99/year
256-bit TLS
Trusted CAs • 99.9% browser support
3 Steps to Secure Email
Get started in under 5 minutes
Order Certificate
Choose Individual or Business S/MIME and complete your order.
Validate & Receive
Verify your email address and receive your certificate instantly.
Install & Send
Install in Outlook, Thunderbird, or Apple Mail and start sending secure email.
Individual vs Business — Which Do You Need?
Choose the right S/MIME certificate for your needs.
Choose Your S/MIME Certificate
Both certificates include email encryption, digital signatures, and universal email client support.
Personal email encryption & signing
- Email encryption & digital signing
- Single email address validation
- Identity verification
- Outlook, Thunderbird, Apple Mail
- Instant activation
- Free reissues included
Company-verified email security
- Organization data validation
- Company name in certificate
- GDPR compliant data encryption
- Enhanced trust indicators
- All business email systems
- Priority business support
Why Choose S/MIME?
The gold standard for email encryption trusted by enterprises, governments, and professionals.
Email Encryption
End-to-end email encryption for sensitive information.
Digital Signatures
Verify sender identity and ensure email integrity.
Prevent Tampering
Detect unauthorized changes to email content.
Universal Support
Works with all major email clients.
Regulatory Compliance
Meet industry standards with S/MIME encryption
HIPAA Compliance
Protect patient information in email communications
SOX Compliance
Secure financial communications and audit trails
GDPR Protection
Protect personal data in email communications
Why Professionals Choose S/MIME
Trusted certificate authorities, strong encryption, and expert support for secure business email.
Trusted Certificate Authorities
Issued by globally recognised CAs, trusted across all major browsers, devices and email clients.
Encryption & Digital Signatures
End-to-end S/MIME encryption and digital signing verify sender identity and protect message integrity.
Warranty & 24/7 Support
Every certificate includes warranty protection and free expert support, around the clock.
Secure Your Email Communications Today
Join thousands of professionals who trust S/MIME for secure, encrypted email.
30-day money-back guarantee · Instant delivery · 24/7 support