Returned mail: see transcript for details

microsoft.public.exchange.misc

2 Jun 2006 7:54 AM

msforums.microsoft.com

< mx16.netvision.net.il #5.1.3 SMTP; 553 sorry, sender rejected, spoofing
not allowed!>

I get this email in every hour apprx.
What is the source of this email??

2 Jun 2006 7:06 PM

Mike M

Is this in an email sent to your mailbox? If so run a spyware program on
your client machine. Many Spyware programs have SMTP engines for sending
data outside your firewall.

Run ExBPA on the Exchange server. Your exchange server may also be an open
relay, ExBPA should identify this.

Last thought. may just be Phishing?

Show quote

"msforums.microsoft.com" wrote:

> < mx16.netvision.net.il #5.1.3 SMTP; 553 sorry, sender rejected, spoofing
> not allowed!>
>
>
> I get this email in every hour apprx.
> What is the source of this email??
>
>
>