Stunnel office 365 how to#
Stunnel office 365 full#

In case of shared mailbox access using OAuth, application needs to obtain the access token on behalf of a user but replace the userName field in the SASL XOAUTH2 encoded string with the email address of the shared mailbox. SASL XOAUTH2 authentication for shared mailboxes in Office 365 IEV3QkFBbDNCQUFVRkZwVUFvN0ozVmUwYmpMQldaV0NjbFJDM0VvQUEBAQ= dXNlcj10ZXN0QGNvbnRvc28ub25taWNyb3NvZnQuY29tAWF1dGg9QmVhcmVy Note that line breaks are inserted for readability. SASL XOAUTH2 encodes the username, access token together in the following format: base64('user=' + userName + '^Aauth=Bearer ' + accessToken + '^A^A')įor example, the SASL XOAUTH2 format to access with access token EwBAAl3BAAUFFpUAo7J3Ve0bjLBWZWCclRC3EoAA is: EwBAAl3BAAUFFpUAo7J3Ve0bjLBWZWCclRC3EoAA^A^A')Īfter base64 encoding, this translates to the following string. OAuth integration with requires your application to use SASL XOAUTH2 format for encoding and transmitting the access token. You can initiate a connection to Office 365 mail servers using the IMAP and POP email settings for Office 365.

Your app can get new access tokens as older ones expire. When a user approves the offline_access scope, your app can receive refresh tokens from the Microsoft identity platform token endpoint. In addition, you can request for offline_access scope.

Stunnel office 365 full#

Make sure to specify the full scopes, including Outlook resource URLs, when authorizing your application and requesting an access token. If your application needs persistent access to all mailboxes in a Microsoft 365 organization, we recommend that you use the Microsoft Graph APIs which allow access without a user, enable granular permissions and let administrators scope such access to a specific set of mailboxes. OAuth access to IMAP, POP, SMTP AUTH protocols via OAuth2 client credentials grant flow is not supported. You can use one of our MSAL client libraries to fetch an access token from your client application.Īlternatively, you can select an appropriate flow from the following list and follow the corresponding steps to call the underlying identity platform REST APIs and retrieve an access token. To use OAuth, an application must be registered with Azure Active Directory.įollow the instructions listed in Register an application with the Microsoft identity platform to create a new application.

Authenticate connection requests with an access token.

Get an access token from a token server.

Register your application with Azure Active Directory.

To use OAuth with your application you need to: You can use the OAuth authentication service provided by Azure Active Directory to enable your application to connect with IMAP, POP or SMTP protocols to access Exchange Online in Office 365. To learn more about the Microsoft Authentication Libraries (MSAL), which implement the OAuth 2.0 protocol to authenticate users and access secure APIs, read the MSAL overview. If you're not familiar with the OAuth 2.0 protocol, start by reading the OAuth 2.0 protocol on Microsoft identity platform overview. OAuth2 support for IMAP, POP, SMTP protocols as described below is supported for both Microsoft 365 (which includes Office on the web) and users.

Stunnel office 365 how to#

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