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Chapter 11. Sending and Receiving Mail and Instant Messages
Chapter 11. Sending and Receiving Mail and Instant Messages
App Engine apps can communicate with the outside world in three ways. The first method we covered in Chapter 10: an app can receive and respond to HTTP requests, and an app can initiate HTTP requests and get responses with the URL Fetch service.
The second method of networked communication available to apps is email. An app can send email messages by calling the Mail service with message data and a list of recipients. An app can also receive email messages at any of several addresses monitored by App Engine.
