发送 outlook 邮件为什么失败？

—————————— 运行开始: 2023-06-14 12:43:57.510 ——————————
“D:/Program Files/ISRPA/Studio-X64/../Python/pythons.exe” -z LUlTRUFSQ0gsMTkyMzoxMjo0MyojIyowNjo1Nzo1MDk6MTQsVzAyc2RL “D:/IS-RPA/project_test/NewProject1\codes\Main.py”
—————————— BeginPython: 2023-06-14 12:43:58,615 ——————————
[2023-06-14 12:43:58,616] [D:/IS-RPA/project_test/NewProject1/codes/Main.py] - [Main] [发送 outlook 邮件] [SNTag:2023061412431261796] []
[2023-06-14 12:43:58,704] [lib/ubpa/ioutlook.pyd] - Program execution error(-2146959355, ‘服务器运行失败’, None, None)
[2023-06-14 12:43:58,704] [lib/ubpa/iresult.pyd] - return result :[fail][err=Program execution error(-2146959355, ‘服务器运行失败’, None, None)][obj=False]
[2023-06-14 12:43:58,704] [Main] [发送 outlook 邮件] [2023061412431261796] 返回值：[<class ‘iresult.IResult’>]<iresult.IResult object at 0x0DA5DE30>