Hello,

> >My questions is: How is the dialog with the SMTP server when
> >SMTP AUTH is used? I've read the RFCs but didn't understand
> >how the challenge between client and server is done.
> 
> Here's a byte-level loggin by  Eudora:
> 
> 210  64:16.49 Rcvd: "220 X1 NT-ESMTP Server ms1.meiway.com (IMail 
> 6.04 1253-1)\r\n"
> 210  32:16.49 Sent: "EHLO sv.Go2France.com\r\n"
> 210  64:16.49 Rcvd: "250-ms1.meiway.com says hello\r\n"
[...]
> 210  32:16.49 Sent: "AUTH CRAM-MD5\r\n"
> 210  64:16.49 Rcvd: "334 PDE0NOTA4QG1zMT4=\r\n"
> 210  32:16.49 Sent: "bGNvbnJhZCVHbzJGcmFWVhNmJhNDA2NzFmYTg0NDcxMjUz\r\n"
> 210  64:16.49 Rcvd: "235 authenticated\r\n"

How are this lines beeing generated?

The servers send me some kind of token, right? How has the
username and password to be encoded?

Has someone already written a test tool for that kind of
failure? I cannot find the reason... 
Today SMTP AUTH stopped working a few times. After I have
moved all queue files out of the spool directory, it worked
for about half an hour, than the same problem occured...

Does anyone know how to solve this?

bye
Markus Oestreicher

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