Digital Signatures and Encryption for Emails
S/MIME (Secure Multipurpose Internet Mail Extensions) is a standard for public key encryption and signing of MIME data.Through encryption and the use of digital signatures, S/MIME helps to protect users from email-related threats and increase email security.
Digitally signed emails help against spoofing and phishing attacks – the sender’s identity is clearly visible to the recipients to protect them from any fake emails.

S/MIME Email Certificates for Individuals
Personal Authentication Basic
From $15/yr
for a 3-year certificate
S/MIME EMail Certificate
Domain Validated- 1 year: $18
- 2 years: $16/yr
- 3 years: $15/yr
- Class 1 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- Issued instantly
- 15 day Refund Policy
Personal Authentication Pro
From $45/yr
for a 3-year certificate
S/MIME EMail Certificate
with Identity Verification- 1 year: $55
- 2 years: $49/yr
- 3 years: $45/yr
- Class 2 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- + First Name & Family Name
- Paperwork required
- 15 day Refund Policy
PersonalSign 1
From $33/yr
for a 3-year certificate
S/MIME EMail Certificate
for Individuals- 1 year: $39
- 2 years: n/a
- 3 years: $33/yr
- Class 1 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- Issued instantly
- 15 day Refund Policy
PersonalSign 2
From $54/yr
for a 3-year certificate
S/MIME EMail Certificate
for Individuals- 1 year: $65
- 2 years: $58/yr
- 3 years: $54/yr
- Class 2 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- + First Name & Family Name
- Paperwork required
- 15 day Refund Policy
S/MIME Email Certificates for Organizations
Personal Authentication Enterprise
From $54/yr
for a 3-year certificate
S/MIME EMail Certificate
for Organizations- 1 year: $65
- 2 years: $60/yr
- 3 years: $54/yr
- Class 2 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- + First Name & Family Name
- + Full Business Validation
- Paperwork required
- 15 day Refund Policy
PersonalSign 2 Pro
From $79/yr
for a 3-year certificate
S/MIME EMail Certificate
for Organizations- 1 year: $99
- 2 years: $89/yr
- 3 years: $79/yr
- Class 2 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- + First Name & Family Name
- + Full Business Validation
- Paperwork required
- 15 day Refund Policy
PersonalSign 2 Department
From $185/yr
for a 3-year certificate
S/MIME EMail Certificate
for Organizations- 1 year: $219
- 2 years: $209/yr
- 3 years: $185/yr
- Class 2 S/MIME EMail Certificate
- Sign & Encrypt Emails
- Validation of EMail Address
- + Department Name (e.g.: “Finance”)
- + Full Business Validation
- Paperwork required
- 15 day Refund Policy