> Recently, I have started receiveding lots of NDRs "Undeliverable: FW:
> Enquiry
> for Jack" because of Blacklisted IP in some of the database.

> I get IP(dynamic) from my ISP thru ADSL.

> ** please suggest if in case i do not want to go for static IP
> ** How can I use [Smart Host] option in Exchange?

"Sanford Whiteman" wrote:

> > Recently, I have started receiveding lots of NDRs "Undeliverable: FW:
> > Enquiry
> > for Jack" because of Blacklisted IP in some of the database.
>
> Certainly they do not refer to the same Subject: line. If they did, you
> would be having another problem beyond your dynamic IP (NDRs from an
> outside Joe Job, or you are outright sending spam).
>
> It's good to be as precise as possible when asking for help. If you're
> getting rampant NDRs, no reason to pick out just one message body.
>
> > I get IP(dynamic) from my ISP thru ADSL.
>
> Okay, then you should be blacklisted. No question.
>
> > ** please suggest if in case i do not want to go for static IP
> > ** How can I use [Smart Host] option in Exchange?
>
> Smart Host is a well-revealed option in IIS SMTP, which underpins Exchange
> 2003. You enter either a hostname or an IP address in square brackets.
> Of course, this means you must *have* a smart host made available by your
> ISP. They'd be the ones to ask for the hostname/IP.
>
> --Sandy