Your AD DS needs to be located on computers at a physical location that you control and not at a remote facility or cloud-based service somewhere on the Internet. Publish the user certificate in an on-premises Active Directory Domain Services (AD DS) account in the UserSMIMECertificate and/or UserCertificate attributes. For details, see Server Certificate Deployment Overview. Certificates issued by third-party certificate providers are supported. Install a Windows-based Certification Authority and set up a public key infrastructure to issue S/MIME certificates. Generally, you need to complete these steps: The steps that you follow to set up S/MIME with each of these endpoints are slightly different. Outlook on the web (formerly known as Outlook Web App) You can set up S/MIME to work with any of the following end points: Supported scenarios and technical considerations for S/MIME
#Google hosted smime outlook verification#
Email programs such as Outlook search a trusted root certificate authority location to perform digital signing and verification of the signature.įor a more complete background about the history and architecture of S/MIME in the context of email, see Understanding S/MIME. The user controls the cryptographic keys in S/MIME and can choose whether to use them for each message they send. S/MIME requires a certificate and publishing infrastructure that is often used in business-to-business and business-to-consumer situations. S/MIME also helps enhance privacy and data security (using encryption) for electronic messaging. To do this, S/MIME provides for cryptographic security services such as authentication, message integrity, and non-repudiation of origin (using digital signatures). When you use S/MIME, it helps the people who receive the message by:Įnsuring that the message in their inbox is the exact message that started with the sender.Įnsuring that the message came from the specific sender and not from someone pretending to be the sender. S/MIME allows you to encrypt emails and digitally sign them. S/MIME is a widely accepted method (more precisely, a protocol) for sending digitally signed and encrypted messages. As an administrator in Exchange Server, you can enable Secure/Multipurpose Internet Mail Extensions (S/MIME) for your organization.
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