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Email Signing Certificate (S/MIME) Email Signing Certificate (S/MIME)

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. This S/MIME Certificate can help you assert email security, confidentiality and integrity. Fight the risk of a phishing attack now!

Secure your emails at all times

Digitally signed emails

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.
encrypted email

Email Signing Certificates features and benefits

Personal S/MIME Certificate

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

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?

FQAs on Email Signing (S/MIME) Certificate

Q

How does an Email Signing Certificate work?

A

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) to do the following: You will use the public key for authentication and the private key to generate the digital signature. This certificate will help the recipient understand that the email has not been altered or tampered with.

Q

What email clients can I use with an S/MIME Certificate?

A

S/MIME certificate can be utilized in the following email clients:

  • Microsoft Outlook
  • Apple Mail
  • Mozilla Thunderbird
  • Netscape Messenger
  • Outlook Express
  • Qualcomm Eudora
Q

How do I get an S/MIME Certificates?

A

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. Once you do this completely, CA will send you the email certificate that you can import to your email client.

To get more email security solutions, please choose your right S/MIME certificates from nicsrs.com right now!

Q

Can the S/MIME certificate use on a mobile device?

A

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.