>3 questions:
>
> 1. i get event 2012 in event viewer every now and then:
> "SMTP could not connect to the DNS server '192.168.101.101'. The
> protocol used was 'UDP'. It may be down or inaccessible."
> i didnt configure this dns server anywhere and i want the smtp server
> to use normal dns lookups using the local computer (thats the 'normal'
> way, right?)
>
> how do i solve this?
>
> 2. Badmail incidents: i gets lots of unsent mail, like 10% of my mail.
> the adresses & mails are all valid & reachable.
>
> they all look like this:
>
> "Unable to deliver this message because the follow error was
> encountered: "This message is a delivery status notification that
> cannot be delivered.".
>
> The specific error code was 0xC00402C7.
>
>
> The message sender was <>."
>
> how do i fix this? 10 minutes later if i re-send the mail manually it
> works..
>
>
> 3. how does iis behave in case of unexpected shutdowns? if it was
> exactly processing a message, etc. is there anyway that a message can
> get "lost"?
>
> thank you.
>

> > protocol used was 'UDP'." problem?

pblse wrote:
> 1. It should use the DNS server configured under network settings.
>
> 2. Sounds like you may be an open relay, what are your relay settings ?
> I would assume the failed delivery is because of the DNS issue.
>
> 3. You can configure the SMTP Service to restart under the services panel,
> however I have never seen it crash that bad, if that happens you probably
> have some
> other issue on the computer.
>
> PL.
>
> <yonido@gmail.com> skrev i meddelandet
> news:1150040615.313536.75640@c74g2000cwc.googlegroups.com...
> >3 questions:
> >
> > 1. i get event 2012 in event viewer every now and then:
> > "SMTP could not connect to the DNS server '192.168.101.101'. The
> > protocol used was 'UDP'. It may be down or inaccessible."
> > i didnt configure this dns server anywhere and i want the smtp server
> > to use normal dns lookups using the local computer (thats the 'normal'
> > way, right?)
> >
> > how do i solve this?
> >
> > 2. Badmail incidents: i gets lots of unsent mail, like 10% of my mail.
> > the adresses & mails are all valid & reachable.
> >
> > they all look like this:
> >
> > "Unable to deliver this message because the follow error was
> > encountered: "This message is a delivery status notification that
> > cannot be delivered.".
> >
> > The specific error code was 0xC00402C7.
> >
> >
> > The message sender was <>."
> >
> > how do i fix this? 10 minutes later if i re-send the mail manually it
> > works..
> >
> >
> > 3. how does iis behave in case of unexpected shutdowns? if it was
> > exactly processing a message, etc. is there anyway that a message can
> > get "lost"?
> >
> > thank you.
> >