How to configure OAUTH with Office365 in PageGate

[Tech Support]

NOTE: This will require a licensed mailbox with the SMTPClientAuthentication property enabled.

1) Log in to the Microsoft Entra portal

2) On the left, select App Registrations

3) Click "New Registration"

4) Give the new app a name, we recommend PageGate

5) Select the "Single Tenant" option.

6) In the "Redirect URI" section, select Web and use the following URL: http://localhost:3017/

7) Click Register.

8) Make a copy of the Directory (tenant) ID and Application (client) ID

9) Click "Add a certificate or secret"

10) Click "New Client Secret"

11) Add the description: PageGate Secret

12) Click Add

13) Copy the Client Secret value (not the Secret ID)

14) On the PageGate server, run o365oauth.exe in the PageGate program directory.

15) Provide the Tenant ID, Client ID and Client Secret Values.

16) Click 'Retrieve Tokens'

17) When asked to log in, you MUST use the account PageGate will be using.

18) Accept the permission request.

19) Back in the PageGate OAUTH application, click the 'Copy Settings to Clipboard' button.

20) Open Notepad (or your preferred text editor)

21) Paste everything into Notepad.

22) Add the following lines:
From = The email address used for authentication
EnvelopeFrom = The email address used for authentication

23) Highlight and copy everything to the clipboard.

24) Open PG Admin.

25) Go to Carriers - Any/All Carriers that use SMTP - Template

26) Overwrite everything in the 'Settings' template with what you have copied to the clipboard.
Note: If you have references to any PageGate filters, do not remove those lines.

27) Click Apply.