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The certificate will be installed on your Mac and will appear in the "My Certificates" section of Keychain Access. The certificate is now available for Apple Mail, Outlook, and other applications that can use client certificates.
Note:Your certificate is only available on the computer and user account where you install it. If you want your personal certificate on other computers or devices, you will need to export it.
Applications
folder, open the Utilities
folder and then open Keychain Access..p12
and the file format must be "Personal Information Exchange (.p12)".You'll then be prompted for a "login" keychain password, which is usually the same one you use to log into your computer.
Now you can transfer your encrypted certificate file to another computer using a USB key, email, or other file sharing method.
Use these instructions to enable Apple Mail to use client certificates to digitally sign and encrypt email.
To send a signed message, verify that the "Signed" icon has a checkmark in it, and not an "x". If the "Signed" icon shows an "x", your message will not be signed.
You may not want to sign messages to mailing lists, because S/MIME digital signatures are attachments, which some lists do not accept.
If you have the public certificate for the user or users to whom the messages is addressed, you will be able to encrypt the email message: In the lower right of the message header, click the open lock icon to lock it; when the icon is locked, your email message will be encrypted.
If you do not have certificates for everyone to whom the message is addressed, you will be prompted to send the message unencrypted.
Use these instructions to enable Outlook to use client certificates to digitally sign and encrypt email.
By default, your email messages will be digitally signed. To indicate signing, a lock icon with the text "This message will be digitally signed" will appear in the lower left of the message header when you compose an email message.
If you do not want to sign a message, from the Options tab of the mail message, select Security and uncheck Digitally Sign Message.
You may not want to sign messages to mailing lists, because S/MIME digital signatures are attachments, which some lists do not accept.
Address and compose your email message. From the Options tab of the mail message, select Security and check Encrypt Message.
If Outlook is unable to find certificates for everyone to whom the message is addressed, you will be prompted to search the IU Active Directory for user certificates. If Outlook is still unable to find certificates for all addressees, you will be prompted to send the message unencrypted.