Exchange Online 发送邮件

项目背景

2022年10月4日 微软更改了Exchange的验证方式，原来exchangelib的库没法继续实现邮件的发送。

实现方式

利用Microsoft Graph API 里  发送邮件 - Microsoft Graph v1.0 | Microsoft Learn

POST https://graph.microsoft.com/v1.0/me/sendMail
Content-type: text/plain
Authorization: Bearer {token}

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Access Token的获取

接口中需要用token

1、登录https://portal.azure.com/

 2、应用注册

 3、创建客户端密码

 4、授予API权限

 这步需要注意代表搜娱管理员同意后，任何用户不需要单独授权就可以授予访问权限。

如果没有管理权限，有两种方式用户可以给自己授权

1)、Graph 浏览器 - Microsoft Graph

用Graph可视化接口调用里的修改权限进行获取。

2)、通过拼地址后，通过浏览器给自己的账户授权。

https://login.microsoftonline.com/carsgen.com/oauth2/v2.0/authorize?
client_id={client_id}
&response_type={response_type}
&redirect_uri={redirect_uri}
&response_mode=query
&scope=offline_access%20user.read%20mail.send
&state=12345

 5、发送邮件的代码

def get_access_token(username="[email protected]",password="ABCdefg"):
    client_id = "afaffbc-afaef-faefe-afefe-afeafefef"
    client_secret = "dafeafaefafewafefffeafa"
    scope=[]
    authority_url = 'https://login.microsoftonline.com/abc.com'

    app = msal.ConfidentialClientApplication(client_id, authority=authority_url,client_credential=client_secret)

    result=app.acquire_token_by_username_password(username=username,password=password,scopes=scope)
    print(result)
    if 'access_token' in result:
        access_token = result['access_token']
        return access_token

    else:
        print(result.get("error"))
        print(result.get("error_description"))

token=get_access_token()

headers={"Authorization":f"Bearer {token}","Content-type":"application/json"}
sendMail = {
  "message": {
    "subject": "Meet for lunchtset3?",
    "body": {
      "contentType": "Text",
      "content": "The new cafeteria is open."
    },
    "toRecipients": [
      {
        "emailAddress": {
          "address": "[email protected]"
        }
      }
    ],
    "ccRecipients": [
      {
        "emailAddress": {
          "address": "[email protected]"
        }
      }
    ]
  },
  "saveToSentItems": "false"
}

res=requests.post(url="https://graph.microsoft.com/v1.0/me/sendMail",data=json.dumps(sendMail),headers=headers)