To connect to the PoliteMail API from Excel using SSO, OAuth is required for connecting with an organizational account - it will not work for SAML authentication. The SAML app will contain identity URIs that will redirect to the SAML app instead of the Azure Entra / POC app.
JSON
"optionalClaims": {
"accessToken": [
{
"name": "email",
"source": null,
"essential": true,
"additionalProperties": []
},
{
"name": "ipaddr",
"source": null,
"essential": false,
"additionalProperties": []
}
],
"saml2Token": []
},