SMTPAuthenticationError

[Ramashish Baranwal]

>
> > I am trying to send a mail using smtplib. My server requires me to
> > authenticate, for this I'm using SMTP.login function. However it
> > fails-
>
> >>>> server = smtplib.SMTP(host='mail.domain', port=25)
> >>>> server.login('username', 'password')
> > Traceback (most recent call last):
> >   File "<stdin>", line 1, in ?
> >   File "/usr/lib/python2.4/smtplib.py", line 587, in login
> >     raise SMTPAuthenticationError(code, resp)
> > smtplib.SMTPAuthenticationError: (535, 'authorization failed
> > (#5.7.0)')
>
> > I am sure that I am giving the correct credentials. The same works in
> > Thunderbird. Am I missing something here or am I supposed to use some
> > other library for this?
>
> > Thanks in advance,
> > Ram
>
> Are you sure that your SMTP server uses this type of authentication?
> Some SMTP servers use POP3 followed by SMTP to authenticate instead.
>
> use telnet to verify, this link might help.
>
> http://www.computerperformance.co.uk/exchange2003/exchange2003_SMTP_A...
>

Hi Larry,

Thanks for the reply. I have worked according to the steps in the link
you provided. From that it seems my server accepts base64 encoded
username and password. I am able to login this way. How to give the
same in smtplib?

Ram