Please make sure that you'd configure a valid 'from' address in OTRS... the message is indeed coming from your IIS configuration.

Regards,
--
Michiel Beijen
Software Consultant
+31 6 - 457 42 418
Bee Free IT + http://beefreeit.nl


On Tue, Aug 4, 2009 at 16:04, Ralf Hildebrandt <Ralf.Hildebrandt@charite.de> wrote:
* Rory <rclerkin@gmail.com>:
> Hi,
>
> I'm having lots of trouble getting outbound e-mails to work on a windows setup.
> I have the system reading in mails from IMAP.
> But when I try to send an e-mail reply to a ticket I keep getting the
> error "553 The Sender is Spoofed"
> I'm trying to use the windows SMTP service through IIS. Is this error
> coming from IIS or is it coming from OTRS?

It's coming from the SMTP server

--
Ralf Hildebrandt
 Geschäftsbereich IT | Abteilung Netzwerk
 Charité - Universitätsmedizin Berlin
 Campus Benjamin Franklin
 Hindenburgdamm 30 | D-12203 Berlin
 Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
 ralf.hildebrandt@charite.de | http://www.charite.de

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