Authenticate with smtp

Emile van Sebille emile at
Thu Apr 13 15:54:05 CEST 2000


Are you trying to use that second mail server as a relay host?
What error are you getting?  What happens when you try using
the relay addressing structure? (<@host:user at host>)  Here I get
'unable to relay' errors when I try to bounce off the NT, but
not when I bounce off the linux system.  As far as I can tell
from the RFC, authentication on the receiver-SMTP process
appears to be limited to ensuring delivery to the recipient.

Emile van Sebille
emile at

----- Original Message -----
From: Ulf Engstrøm <ulf.engstrom at>
To: <python-list at>
Sent: Thursday, April 13, 2000 4:32 AM
Subject: Authenticate with smtp

> How can I log into an smtp server that requires authentication and
send a
> mail with smtplib, or is there any other package that helps? (Yes, I'm
> authorized)
> Regards
> Ulf

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