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Knowledgebase : > Email (S/MIME)
Click to get your Free Email Certificate (Digital IDs) In order to receive encrypted email or send digitally signed email, you must have a digital certificate. If you get a digital certificate for your email, you cannot send someone encrypted email, but they can send you encrypted email. This is exactly backward from how any normal person expects it to work, but, luckily, email certificates are free. Why is it backwards? It isn't really backwards. You could give the public, encoding part t...
PLEASE CLICK THIS LINK [HTTPS://WWW.COMODO.COM/PDF/COMODO-CPAC-INTERNET-EXPLORER.PDF]TO GET THE LATEST INSTRUCTIONS ON IMPORTING AND EXPORTING [HTTPS://WWW.COMODO.COM/PDF/COMODO-CPAC-INTERNET-EXPLORER.PDF] YOUR EMAIL CERTIFICATE USING INTERNET EXPLORER [HTTPS://WWW.COMODO.COM/PDF/COMODO-CPAC-INTERNET-EXPLORER.PDF] THE FOLLOWING PROCESS DESCRIBES HOW TO BACKUP CERTIFICATES 1. Start Internet Explorer, select Tools, Internet Options, Content, Certificates 2. On the Personal Certificates tab,...
Copy the pfx file to the machine it is to be installed and then double-click on the file. This will start the Wizard: Select 'Next' The next wizard panel specifies the location of the file to import. If you double-clicked the file at the start, this will contain the path to the file, and the file name: Edit the path and/or file name if required and select 'Next'. Provide the password used during the export, and the required options beneath that: NOTE: Marking the K...
The most common reason for this is that the email address on the mail client is not the same as the one in the certificate. For instance, in Microsoft Outlook (not Express) if you configure the email address on the account to another@comodo.com but have the email certificate for another@comodogroup.com, Microsoft Outlook will not allow you to assign it as the email address is not the same, even if your server automatically forwards both emails to the same address. There are two ways to se...
When you first receive your email certificate you will need to distribute the 'Public Key' to those people who you want to send encrypted emails to you. To do this send them an email and digitally sign it, this attaches the Public Key certificate to the email. They must store your email address with the certificate in their address book. After this they can then decide to encrypt each email that is sent to you by setting the 'Security Options'.
You can only encrypt emails to someone else using their email (Digital ID) certificate (public key). And, to do this their certificate (Digital ID) must be stored in your address book. To add the certificate to an address book in Outlook right-click on the email address and select 'Add to Outlook Contacts'. Then save that entry.
The ones that can reply will already have your certificate (public key) stored in their address book. To add the certificate to an address book in Outlook right-click on the email address and select 'Add to Outlook Contacts'.
Below is an overview of the process: 1. Click for the sign up page for a Free Digital Email Certificate 2. Complete the fields displayed 3. Select 'Advanced Security Options' and amend as appropriate. However, we recommend you only use the defaults to avoid any implementation issues later in the process 4. Read the Subscriber Agreement and then select 'Agree and Continue 5. You will then receive an email with the details of how to collect your certificate 6. Follow the instruc...
After ordering a Secure Email Certificate, you will receive an email from us with instructions on how to collect your certificate. If you have not received this email, please check your spam folder. 1.) In the email that you received from us there will be a button and a URL - see the below image as an example, but note that neither the button nor the URL will work. Depending on your email client, you will be able to press the 'Click & Install Comodo Email Certificate' button. If the button d...
Go to Tool -> Options -> Security -> Advanced You can find the encryption levels to choose to 128 bit level. If you are running Internet Explorer 5.01 or earlier on a computer that is running Windows 98, Windows 98 Second Edition, or Windows NT 4.0, when you install Internet Explorer 6, you upgrade your computer to 128-bit encryption. If your computer is running Windows 2000, when you install Internet Explorer 6, you do not change the current level of encryption on your computer. Yo...
Basics of Email encryption and Email signing/Export & Import, Import Certificate into Mozilla Thunderbird, enable the Certificate in Thunderbird. Basics of Email encryption and Email signing: The technique of S/MIME relies on complex algorithms that create the appropriate key pair: The public key The private key This key pair needs to be available if any encryption or signing is being used. If one is missing, you won’t be able to use the corresponding key anymore. The public key ...
Question: Why does the free email certificate say PERSONA NOT VALIDATED for the OU field? Answer: This is something that we write on the certificate when we issue it to you. These free e-mail certificates do not go through a validation process to verify your identity. The only way to remove that message is to sign up for an E-PKI account and you have to use a privately held domain name instead of a freely available email address (GMail, Hotmail, Yahoo!, Lycos, etc.)
Secure Email Certificate Support Click to get your Secure Email Certificate Installing and Using your Secure Email Certificate (Digital ID) with Outlook 2000 Assigning your Certificate to your email account: Open Outlook Select Tools from menu Select Options from drop down menu In dialog box that appears select Security tab Enter a name for your security setting into the Security Settings Name box Ensur...
Netscape E-Mail Certificate Installation Click to get your Secure Email Certificate Firstly you will need to collect the email certificate from our system using Internet Explorer. Then export it to a file using the following method: Select Tools, Internet Options, Content, Certificates Select the required certificate and click Export Go through the wizard and remember to select 'Yes, export Private Key' Remember to tick 'Include all certificates in the certificate pa...
Assigning your Certificate to your email account: Open Outlook Express Select Tools from menu Select Accounts from drop down menu In dialog box that appears select Mail then select your relevant email account Click Properties Click the Security tab Click Select Signing Cert. From the popup Certificate store box locate and select your Secure Email Certificate. Click Select Encryption Cert. From...
Assigning a certificate in Outlook 2007 - 2013 is only slightly different from older versions. Previous versions set the certificate (Digital ID) in the SECURITY tab under TOOLS --> OPTIONS. Outlook 2007-2013 has a new menu item: TRUST CENTER. * Click TOOLS, then TRUST CENTER. * Then select E-MAIL SECURITY.(See Figure 1) * Click on SETTINGS to display the security settings. * Click CHOOSE to set the certificate (Digital ID) to use for SIGNING and ENCRYPTION.(See Figure 2) * Finall...
The full error is likely to be something like this example: 'A timeout occurred while communicating with server. Account pop3.xxxx.yy.zz, SMTP server: 'smtp.xxxx.yy.zz', Error Number: 0x800cc19' Resolutions that we are aware of: It can be caused by the configuration of Spamkiller software (Mcafee). Please turn Spamkiller off and try again.
Follow the selections below to assign a DigitalID in Windows Mail. 1. Start Windows Mail 2. Select Tools 3. Select Accounts 4. Select the mail account you want to configure (either double click on it or select the account then select 'properties') 5. Select the Security tab 6. Click the 'Select' button below 'Signing Certificate' and 'Encryption Preferences' to select the certificate to use NOTE: If there is a certificate matching the email address of the account t...
Trouble sending certificates (public key) from one email client to another? This issue may not be caused by the certificate (public key) itself. Thanks to forum ID 'Griff' for this information. Below is one possibility: In this case Thunderbird was the receiving client. The receiving email client would not recognize that the incoming email had a digital signature attached, and therefore couldn't/wouldn't add the public key to the Certificate list. The message source indicated that the...
DELETE EXPIRED/EXITING CERTIFICATES ON OUTLOOK 2003 IS AS FOLLOWS: 1. On the Tools menu, click Options, and then click the Security tab. 2. Click Import/Export Digital ID. 3. Click Export your digital ID to a file. 4. Click Select, and then click the certificate that you want to remove. 5. In the Filename box, enter a path and name for the file, or click Browse. 6. In the Password box, type a password for the file. 7. In the Confirm box, enter the password again. 8. Select the Delete di...
How to collect and install Comodo e-mail certificates for Mozilla Firefox and Thunderbird Collect 1) Check your email on the email address that you applied with. 2) Note: Make sure you use the same browser you applied with! Install (part 1 of 2) 1) Click the button that says "Click & Install Comodo Email Certificate". Note: If that does not open in the same browser as you applied on please follow the directions underneath the button. 2) You will see a message stating that y...
Open Finder and go to Applications -> Utilities -> Keychain Access Double click on Keychain to open it On the left, click on Certificates Highlight the certificate to export and open File -> Export Choose an appropriate filename (mycert.pfx) and directory.
If you have a Digital Certificate [https://www.comodo.com/resources/small-business/digital-certificates-intro.php], you can use it to digitally sign and encrypt emails. When you are using Microsoft Outlook as your email client, you will need to first configure Outlook to use your certificate. This document assumes that you have Outlook 2010 configured as your email client (Note: the certificate installation process differs slightly for Outlook 2003 and Outlook 2007). 1. First you must have you...
For help using your certificate to sign and encrypt mail or to export and import or your certificate, please select your software or device from the list below. These documents are suitable for both Personal Authentication Certificates and Secure Email Certificates. BROWSERS: * Internet Explorer [https://www.comodo.com/support/products/authentication_certs/setup/ie7.php?key5sk1=649f7696ddcd15b926ed0862b303a6e7b4dd8204] * Comodo Dragon [https://www.comodo.com/support/products/authenticati...
(EPKI) Enterprise Public Key Infrastructure Manager Version 3.5 For issuance & management of Enterprise - wide SSL Certificates & Secure Email (S/MIME) Certificates
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