Trustworthy Email Communication

Enable confidential communication with secure email signing.


Comodo SMIME Certificate

Encrypt Emails and Documents

The Comodo SMIME certificate is a useful digital security certificate to give surety email communications are secure using the latest end-to-end encryption. The digital signature attached to it assures that the recipient of an email will be able to verify the identity of the one who sent an email message.

Secure Your Email Communication with Comodo SMIME Certificate & Make Sure Email Recipient can Verify Your Identity

30 Days Money Back 30 Days Money Back
Powerful Email Security Powerful Email Security
Two-Factor Authentication Two-Factor
Digital Email Encryption Digital Email

Comodo SMIME Certificate Uses a Pair of Keys That Assures Its Integrity

SMIME certificate also comes with the capability of digital document signing and client authentication for free. And it ensures that the received email message isn't altered and is in its original form.

Further, the SMIME certificate uses the recipient's public key to encrypt the message, and its associated decryption key that’s with the intended recipient who uses to open it. Hence, it assures the sender that the signed email message will only be opened and read by the intended party. Similarly, the recipient will even be able to verify the integrity and origin of the website.

Sectigo SMIME Certificate Offers Compatibility With All Major Email Applications

It comes with more than 99% compatibility with most of all popular email applications. For instance, it'll support all the major mail applications like Microsoft Outlook, Exchange, popular mobile operating systems, and even more.

SMIME Email Signing – Video

Comodo SMIME Certificate Features

  • Encryption & decryption of sent and received an email, respectively.
  • Visible clues like blue lock tick in emails that show your email message is encrypted.
  • The visible checkmark icon shows the email message is coming from the trusted source and hasn't been altered.
  • Automatic encryption of your email replies.
  • Secures plain text email content.
  • Document signing to prove identity by unique digital signature.
  • Email message security using robust SHA 256-bit encryption standard.
  • 99% and above compatibility with globally popular email clients such as Outlook, Thunderbird, or Microsoft Exchange.

Comodo SMIME Certificate Benefits

Sign & Encrypt Email MessagesSign & Encrypt Email Messages

Once anyone sends an email, it goes through several ports before reaching its final port. Therefore, there's always a chance of email getting compromised or tampered with by any cybercrook. The mail recipient may receive altered email messages. Thus, to prevent such scenarios SMIME certificate proves beneficial as you can digitally sign and encrypt your email message. So, the intended receiver can get a notification if the email message gets tampered with.

Lesser Rate of Phishing Email Lesser Rate of Phishing Email

SMIME certificate ensures the email receiver that the email has come from a trusted source and is safe to open or download received email attachments. Henceforth, you can say the SMIME certificate reduces phishing emails as users can confirm whether the email received by them is original because it provides a visual trust indicator such as your unique digital signature.

Verifies Who Sent an Email Verifies Who Sent an Email

Once you sign your email with the SMIME certificate, your digital signature gets attached to an email message and the unique ID. And, once you send that signed email, it gets cross-verified within the receiver's email inbox to find out the email is coming from a trusted source.

Enhanced Reputation Enhanced Reputation

Spam emails are one of the common grounds why a company suffers a leak of confidential information, which leads to even bigger losses. Nonetheless, for securing email messages, signing your email with an SMIME certificate is one of the essential steps to ensure your email is genuine and not altered, which enhances the company's reputation.

Frequently Asked Questions

Have Questions? We're here to help.

What is a SMIME Certificate?

Initially developed by the RSA, SMIME (Secure/Multipurpose Internet Mail Extensions) is the protocol defined according to the IETF (Internet Engineering Task Force) that helps enhance security by encrypting MIME data as an email message.

The SMIME certificate is a digital security certificate that secures email by encrypting it and allows the digitally signing of documents with a unique digital signature. Henceforth, it assures data or information sent through an email message, email attachment, or signed document hasn't been tampered with.

How Much time does CA take to get SMIME Certificate Issued?

Before the SMIME certificate gets issued, you must complete the validation process. And the validation process takes around two to three days to complete, which involves proving your business's legitimacy by submitting certain government-issued documents, publicly listed telephone numbers, and more.

Can I Secure Website using SMIME Certificate?

SMIME certificate helps secure emails and digital documents, and you cannot use it as an SSL certificate for securing or removing the "Not Secure" warning from the website.

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