Unable to Set the SMTP Username & Password

[Sayadat99]

I'm getting SMTP server disconnected, can somebody help me here, where exactly do I need to update the SMTP username & password.

File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.2032.0_x64__qbz5n2kfra8p0\Lib\smtplib.py", line 405, in getreply
raise SMTPServerDisconnected("Connection unexpectedly closed")
smtplib.SMTPServerDisconnected: Connection unexpectedly closed

[Nihad217]

same here