Skip to main content
    S/MIME Email Security

    Secure Email Certificates from $4.99

    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.

    End-to-End Encryption
    Digital Signatures
    Universal Compatibility
    Most Popular

    Individual S/MIME Email Certificate

    Secure personal email communications with encryption and digital signatures

    $4.99/year
    Was $9.99
    Single email address validation
    Email encryption & digital signing
    Identity verification
    Quick automatic issuance (up to 5 minutes)
    Works with Outlook, Thunderbird, Apple Mail
    1-year validity
    Instant activation
    Basic email support

    Business S/MIME Email Certificate

    Enhanced email security for business and company communications

    $19.99/year
    Was $39.99
    Organization data validation
    Company name in certificate
    Email encryption & signing with company data
    GDPR compliant data encryption
    Enhanced trust indicators
    Works with all business email systems
    2-year validity option
    Priority business support

    Email Encryption

    Protect sensitive information with end-to-end email encryption

    Digital Signatures

    Verify sender identity and ensure email integrity with digital signatures

    Prevent Tampering

    Detect any unauthorized changes to your email content and attachments

    Universal Support

    Works with Outlook, Thunderbird, Apple Mail, and all major email clients

    Perfect for Every Organization

    Legal & Compliance

    Meet regulatory requirements for secure communication in legal, healthcare, and financial sectors

    Business Communications

    Protect confidential business information, contracts, and sensitive client communications

    Personal Privacy

    Keep your personal emails private and secure from unauthorized access and interception

    How S/MIME Email Security Works

    1

    Install Certificate

    Install your S/MIME certificate in your email client (Outlook, Thunderbird, etc.)

    2

    Sign & Encrypt

    Your emails are automatically signed and encrypted before sending

    3

    Recipients Verify

    Recipients can verify your identity and decrypt secure messages

    Universal Email Client Support

    Our S/MIME certificates work seamlessly with all major email applications and platforms

    Microsoft Outlook

    Native S/MIME support in Outlook desktop, web, and mobile applications

    Apple Mail

    Built-in S/MIME encryption and signing for macOS and iOS devices

    Mozilla Thunderbird

    Open-source email client with comprehensive S/MIME capabilities

    Enterprise Systems

    Exchange Server, IBM Notes, and other enterprise email platforms

    Regulatory Compliance

    Meet industry standards and regulatory requirements with S/MIME encryption

    HIPAA Compliance

    Meet healthcare industry requirements for protecting patient information in email communications

    SOX Compliance

    Secure financial communications and audit trails for Sarbanes-Oxley compliance requirements

    GDPR Protection

    Protect personal data in email communications to meet European privacy regulations

    Trusted by Professionals

    4.7/5 from 654+ organizations

    "S/MIME encryption is essential for our client communications. The setup was straightforward and works perfectly with Outlook."

    Jennifer Walsh
    CISO, FinanceFirst
    FinanceFirst

    "HIPAA compliance made easy. Our medical staff can now send patient information securely via email."

    Dr. Robert Chen
    Healthcare Administrator
    MedCenter

    "Perfect for sensitive legal communications. Clients appreciate the added security and professional appearance."

    Lisa Martinez
    Legal Counsel
    Martinez Law

    Frequently Asked Questions

    Get instant answers to common questions about SSL certificates and our services.

    Still Have Questions?

    Our SSL experts are available 24/7 to help with any questions about certificates, installation, or technical issues.

    Secure Your Email Communications Today

    Join organizations worldwide who trust S/MIME for secure email communication