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Unable to login through SMTP AUTH port 587

Hello,

I am trying to connect a python script to an account, but till now, I am only receiving this response from server side:

smtplib.SMTPAuthenticationError: (535, '5.7.3 Authentication unsuccessful [CH2PR16CA0021.namprd16.prod.outlook.com]')

With this script:


import smtplib

SERVER = "smtp.office365.com"
PORT = 587

PASS = ""
FROM = ""
TO = ""
MSG = "testing..."

server = smtplib.SMTP(SERVER, PORT, timeout=20)

#server.ehlo()

server.starttls()

server.login(FROM, PASS)

server.sendmail(FROM, TO, MSG)

server.quit()


From Admin console at office 365, Enable Security defaults are disabled, and from user the user account, SMTP AUTH is enabled.

I really dont know why its still not working.

Anyone knows?

Hi Sir,

Please allow us sir if you are using scripting or any programming and having this kind of issue, since we have specific team that focus on this field, sir you can kindly post your question at the https://github.community/ and we have engineers to answer your question.

Kind Regards,

George

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Question Info

Last updated November 23, 2022 Views 388 Applies to: