2017-03-17 55 views

回答

1
From the Settings menu, choose the option for Settings. 
From the Settings window, make sure the General tab is selected. 
Look for the setting that says Undo Send. 
Click the check box to Enable Undo Send. 

點擊下拉框來設置發送取消時間,這意味着你要防止電子郵件被髮送的秒數。您可以選擇5,10,20或30秒。

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