Email Signing Certificates

$ 9 67 / Year

Secure your email communications with strong 256-bit encryption & digital signatures
Fast and easy to roll out to employees and/or customers
Binds user and device identities with strong PKI authentication
Simple & fast validation process
Digital signatures bind users' identities to message content to add authenticity and security to emails
Compatible with Exchange servers and mail gateway appliances
Minimum encryption key length: RSA/DSA 2048 bit
Digital signatures identify you as the sender and prove that the message genuinely came from you and not an impersonator
Supports major business software including Microsoft ® Office suite, Open Office Suite, VBA Macros, and more
Two-factor authentication of users who log-in to company servers and websites

$ 27 00 / Year

Secure your email communications with strong 256-bit encryption & digital signatures
Fast and easy to roll out to employees and/or customers
Binds user and device identities with strong PKI authentication
Simple & fast validation process
Digital signatures bind users' identities to message content to add authenticity and security to emails
Compatible with Exchange servers and mail gateway appliances
Minimum encryption key length: RSA/DSA 2048 bit
Digital signatures identify you as the sender and prove that the message genuinely came from you and not an impersonator
Supports major business software including Microsoft® Office suite, Open Office Suite, VBA Macros, and more
Two-factor authentication of users who log-in to company servers and websites

$ 37 80 / Year

Secure your email communications with strong 256-bit encryption & digital signatures
Fast and easy to roll out to employees and/or customers
Binds user and device identities with strong PKI authentication
Simple & fast validation process
Digital signatures bind users' identities to message content to add authenticity and security to emails
Compatible with Exchange servers and mail gateway appliances
Minimum encryption key length: RSA/DSA 2048 bit
Digital signatures identify you as the sender and prove that the message genuinely came from you and not an impersonator
Supports major business software including Microsoft® Office suite, Open Office Suite, VBA Macros, and more
Two-factor authentication of users who log-in to company servers and websites

Comodo Personal Authentication Certificates are trusted by all major mail clients, browsers and mobile devices, such as:

Server and Client OS Compatibility Client OS: Mac OS X, Snow Leopard, Windows 7, Vista, Xp, 2000, Linux Client OS. Server OS: Windows Server 2008, 2003, 2000, Linux, UNIX, Solaris, Novell, etc. Web Server: Microsoft IIS 7, IIS6, Apache, Tomcat, IBM HTTP, Weblogic, Cobalt. E-Mail Servers: Netscape Communicator 4.51+,Microsoft Outlook 99+,Microsoft Entourage (OS/X),Mozilla Thunderbird 1.0+,Qualcomm Eudora 6.2+,Lotus Notes (6+), etc.

$ 25 92 / Year

S/MIME uses a combination of digital signatures and true end-to-end encryption to protect your emails against a litany of threats, including:
Theft of intellectual property and/or capital
Damages to brand integrity
Accidental data exposure
Man-in-the-middle attacks
Spoofed phishing emails
And many other potential breaches of security, security oversights and forms of cybercriminal attacks.
Digital signatures validate the sender. When you digitally sign your emails, the recipient will know that the email came from you, not an imposter or phisher. This protects your brand and helps users identify and avoid email phishing scams.
End-to-end encryption protects the email contents. Most email inboxes are full of private data—customer records, company secrets, HR records, and more. If a hacker broke into your email system, they could steal all kinds of sensitive data! But with end-to-end encryption, even if a hacker manages to steal emails off your server, they won’t be able to read the email contents unless they have your private key.