Depending on the email client they’re using, they may or may not see and be able to verify the digital signature.Įncrypted messages can be read only by intended recipients who have a certificate. If you send a digitally signed message to a recipient outside your organization, they will be able to read the message. Recipients can only verify the digital signature if they’re using an email client that supports S/MIME and have installed the S/MIME control. S/MIME digital signatures are only fully supported for recipients inside your organization. If you send an encrypted message to someone outside your organization, they won't be able to decrypt and read the message. S/MIME message encryption is supported only on messages sent to and from recipients in your organization’s address list. Internet Explorer 11 or one of the three most recent versions of Edge or Chrome is required to send and receive encrypted messages, digitally sign messages that you send, and to verify digital signatures on messages that you receive. Check with your IT administrator if that doesn't work. The domain is usually the part after the sign in your email address. Select the link to go to the settings page, and allow your work or school domain to use S/MIME. You can add it in S/MIME Extension options page in the settings for your browser. S/MIME isn't configured to work with the current domain.
#Encryptme outlook install#
If you select No, the domain won't have access to S/MIME.Įdge and Chrome: You might see the following message the first time you try to use S/MIME in Outlook on the web on Edge or Chrome after you install the S/MIME extension: If you select Yes, you won't be prompted again for this domain. Internet Explorer: You might see the following message when you open Outlook on the web in Internet Explorer for the first time after you install the S/MIME control update:ĭo you want to allow the domain to use the S/MIME control to encrypt and decrypt messages in your inbox? Only allow domains that you trust. Select Run to continue the installation.Īllow the Outlook on the web domain to use the S/MIME control You might be prompted again to verify that you want to run the software. When you’re prompted to run or save the file, select Run or Open (the choice will vary depending on the web browser you're using). Instructions for IT administrators can be found in Configure S/MIME settings in Exchange Online for Outlook on the web. Check with your IT administrator or helpdesk to confirm that your computer is joined to a domain and has the required policy. Note: To use S/MIME on Chrome, your computer must be joined to a Microsoft Active Directory domain and have a Chrome policy to include the S/MIME extension.
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