---------- Original Message ----------------------------------
From: "Matthew Goheen" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Date: Tue, 3 Oct 2000 17:23:38 -0400
>It may be coincidental, but suddenly my two co-workers can no longer send
>mail using SMTP-AUTH. They haven't changed anything on their clients, but
>the network they are on had some sort of firewall installed (we sub-lease
>space and are on their network). They claim that they don't block anything
>going out, but I can't come up with any other explanation other than they
>are messing SOMETHING up. The error they get is 550:
>
> The message could not be sent because one of the recipients was rejected by
> the server. Server Response 550 not local host alum.rpi.edu, not a gateway.
> (Account: Worlds Email, SMTP Server: mail.worlds.net, Error Number 0x800ccc79)
>
>The email client is Outlook for one user, and Outlook Express for the other.
>We have relaying turned off except for SMTP-AUTH users.
>
>Anyone seem anything like this before? One user is going to take her laptop
>home and see if SMTP-AUTH works from home, which will firmly point the finger
>at the firewall -- but what on a firewall would cause this behavior???
>
>-----------
>Matt Goheen
>Worlds.com
>
Make sure that the firewall understands the SMTP AUTH command. Some don't and won't
pass it.
Bob
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