From: Hans-J. Ullrich (hans.ullrich@loop.de)
Date: Sat Jul 07 2007 - 14:04:16 EDT
Am Samstag 07 Juli 2007 schrieb wymerzp@sbu.edu:
> Hello all,
> I'm looking at a client's site and they have unprotected access to port 25
> (i.e. I can telnet to it and issue commands). When I attempt to send an
> email I get this message '553 Relaying is not supported'. My question is
Yes, funny eh ? Relaying is not allowed to prevent spam. Contact the
postmaster of this system, to allow it for your hosts or for special
domaines.
> two-fold: 1)What could I do with the unprotected SMTP access if I can't
> send mail. 2)What purpose do you believe that the SMTP service provides?
> Does the SMTP simply recieve!?!? Thank you all, Zach
>
Receiving will be allowed for all domaines, this server is responsible for.
Regards
Hans-J. Ullrich
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