[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-04 (世界標準時間)。"],[[["\u003cp\u003eThis guide details how to utilize the Mail API for sending emails.\u003c/p\u003e\n"],["\u003cp\u003eThe API is compatible with first-generation runtimes and is usable when upgrading to corresponding second-generation runtimes.\u003c/p\u003e\n"],["\u003cp\u003eTo send emails you must register your sender emails as authorized senders.\u003c/p\u003e\n"]]],[],null,["# Sending mail with the Mail API\n\nGo Java PHP Python\n\nThis guide describes how to use the Mail API to send mail.\n\n\u003cbr /\u003e\n\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\nBefore you begin\n----------------\n\nRegister your sender emails as authorized senders. For more information, see\n[who can send email](/appengine/docs/standard/services/mail#who_can_send_mail).\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e"]]