SSL Certificate
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Get SSL Certificate →Email Signing Certificate (S/MIME)
An Email Signing Certificate, also called S/MIME Certificate, is used for end-to-end encryption to secure your email contents and attachments against data leaking and a digital signature to ensure your recipients can verify your identity.
Popular S/MIME Certificates
Email Signing Certificate (S/MIME)
Secure your emails at all times
Digitally signed emails
to prevent from spoofing and phishing attacks
- Affix the sender's authenticated identity to the email.
- Recipient easily verifies sender signature's authenticity to help distinguish from spoofed emails.
- Support non-repudiation for you are the legitimate sender.
- Alert recipient immediately once email contents have been tampered with.
Encrypted emails
to protect email contents both in transit and at rest
- S/MIME encrypted emails can only be decrypted by the intended recipient.
- Email remains end-to-end encryption in transit and at rest on email servers.
- Prevent data from being altered or leaking in any way by a third party.
Email Signing Certificates features and benefits
Personal S/MIME Certificate
Used for personal email
Suitable for personal authentication
Verify email address only
Support maximum validity to 3 years
Issue instantly within just 3–5 minutes
Offer digital signature, end–to–end encryption
Available in client authentication
Digitally sign Microsoft Office and OpenOffice documents
Pro S/MIME Certificate
Used for personal & corporate email
perfect for individuals or small businesses
Verify email address and organization info
Support maximum validity to 3 years
Issue soon within 3–7 business days
Offer digital signature, end–to–end encryption
Available in client authentication
Digitally sign Microsoft Office and OpenOffice documents
Why do you need an S/MIME certificate?
Digital signature
The email with a digital signature will showcase your own unique digital stamp that on one else can use. This allows your recipient to verify your identity and quickly know they are not getting phished.
Email encryption
S/MIME certificate uses the recipient's public key to encrypt the email; only the intended recipient's private key can decrypt the email.
Client authentication
S/MIME certificate, also named Client certificate, can authenticate the user identity to access to organization system or application without any password.
Document signing
An email signing certificate is available to digitally signing Microsoft Office document for get an assurance that the recipient can verify the document is coming from you.
Compliant with FDA
To secure email which is set up between the FDA and external entities, CBER–generated regulatory communications sent by email will only be sent to recipients via secure email.
Protect business reputation
Your authenticated identity by S/MIME certificate shows clearly to the recipient, and indicates him that you are not phisher or cybercriminal.
FAQs on SSL Certificates
- DigiCert: A Big Family And A Big Sale
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- What is the difference between free SSL and paid SSL?
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FQAs on Email Signing (S/MIME) Certificate
01/
How does an Email Signing Certificate work?
S/MIME certificates use asymmetric encryption to encrypt and secure your emails. To ensure that email and its attachments transmitted between sender and recipient & stored at email server are protected, these validation options use PKI (Public Key Infrastructure). You will use the public key for authentication and the private key to generate the digital signature.
02/
What email clients can I use with an S/MIME Certificate?
S/MIME certificate can be utilized in the following email clients:
- Microsoft Outlook
- Apple Mail
- Mozilla Thunderbird
- Netscape Messenger
- Outlook Express
- Qualcomm Eudora
03/
How do I get an S/MIME Certificates?
You can get an S/MIME certificate from Certificate Authority. You just have to prove the email ownership. If you need a Pro email signing certificate, more validation files are required, for example, organization information.
To get more email security solutions, please choose your right S/MIME certificates from nicsrs.com right now!
04/
Can the S/MIME certificate use on a mobile device?
Yes. However, you shall install firstly your certificate on the device or other clients, and then you can read S/MIME encrypted emails on the mobile device.