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In order to receive email bounce notifications, you need to configure
your app to enable email notification and you need to create a handler
to handle those incoming notifications.
Configuring your application for email bounce notification
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eTo receive email bounce notifications, you must enable email notifications in your app's settings.\u003c/p\u003e\n"],["\u003cp\u003eYou are required to create a handler to process incoming bounce notifications.\u003c/p\u003e\n"],["\u003cp\u003eThis API is applicable for first-generation runtimes and during upgrades to second-generation runtimes.\u003c/p\u003e\n"],["\u003cp\u003eRefer to the "Upgrade to second-generation runtimes" page for migration options if updating to the App Engine runtime.\u003c/p\u003e\n"]]],[],null,["# Receiving bounce notification\n\nGo Java PHP Python\n\nIn order to receive email bounce notifications, you need to configure\nyour app to enable email notification and you need to create a handler\nto handle those incoming notifications.\n| This API is supported for first-generation runtimes and can be used when [upgrading to corresponding second-generation runtimes](/appengine/docs/standard/\n|\n| /services/access). If you are updating to the App Engine runtime, refer to the [Upgrade to second-generation runtimes]() page to learn about your migration options for legacy bundled services.\n\nConfiguring your application for email bounce notification\n----------------------------------------------------------\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nHandling bounce notifications\n-----------------------------\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e"]]
