How to stop our exchange5.5 to be a mail relay ?

27 Mar 2006 4:09 AM

man

I discover that few day ago, our exchange5.5 was become a mail relay by
outside.

Any way that I can stop it and only accept our internal user to post mail ?

Thanks for yr help and support!

27 Mar 2006 5:27 PM

John Oliver, Jr. [MVP]

http://www.msexchange.org/tutorials/Preventing_Third_Party_Relaying_In_MS_Exchange_Server_55.html

--
John Oliver, Jr
MCSE, MCT, CCNA
Exchange MVP 2006
Microsoft Certified Partner

Show quote

"man" <m**@discussions.microsoft.com> wrote in message
news:61896FA3-5E14-4EF5-BF4C-79FE6026C792@microsoft.com...
>I discover that few day ago, our exchange5.5 was become a mail relay by
> outside.
>
> Any way that I can stop it and only accept our internal user to post mail
> ?
>
> Thanks for yr help and support!
>
>

30 Mar 2006 2:05 AM

man

Thanks John

Show quote

"John Oliver, Jr. [MVP]" wrote:

> http://www.msexchange.org/tutorials/Preventing_Third_Party_Relaying_In_MS_Exchange_Server_55.html
>
> --
> John Oliver, Jr
> MCSE, MCT, CCNA
> Exchange MVP 2006
> Microsoft Certified Partner
>
> "man" <m**@discussions.microsoft.com> wrote in message
> news:61896FA3-5E14-4EF5-BF4C-79FE6026C792@microsoft.com...
> >I discover that few day ago, our exchange5.5 was become a mail relay by
> > outside.
> >
> > Any way that I can stop it and only accept our internal user to post mail
> > ?
> >
> > Thanks for yr help and support!
> >
> >
>
>
>