[ExchangeList] Re: send connector issue
- From: "Tom Kern" <tpkern@xxxxxxxxx>
- To: exchangelist@xxxxxxxxxxxxx
- Date: Thu, 17 Jan 2008 10:36:21 -0500
http://www.msexchange.org
-------------------------------------------------------But in netmon i see a
dns query for the mx record of the smarthost
fqdn and then a "server failure" error is the response from dns....
its the only dns query I see inrealtion to the smarthost
this connector has 3 HT source servers, all with the same "issue".
thats all i see.
it never gets to smtp.
thanks
On Jan 17, 2008 10:22 AM, Michael B. Smith
<michael@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> http://www.msexchange.org
> -------------------------------------------------------Smarthost MX records,
> if they exist, are ignored.
>
> Regards,
>
> Michael B. Smith
> MCSE/Exchange MVP
> http://TheEssentialExchange.com
>
>
> -----Original Message-----
> From: exchangelist-bounce@xxxxxxxxxxxxx
> [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Kern
> Sent: Thursday, January 17, 2008 10:11 AM
> To: exchangelist@xxxxxxxxxxxxx
> Subject: [ExchangeList] Re: send connector issue
>
> http://www.msexchange.org
>
> -------------------------------------------------------No.
> i'm using the internal settings
> dns is working fine
> there is an A record for the smarthost and that can be resolved just fine.
>
> I've used fqdn rarely in ex2k3 and can't remeber if they had mx
> records but it seems to me it goes against the concept of a smarthost
> for exchange to expect an mx record but what do i know?
>
> Just wondering if anyone elsecan confirm that ex2k7 send connectors
> try to lookup mx records when using a fqdn for a smarthost and that
> this is a requirement.
>
> thanks alot
>
> On Jan 17, 2008 9:57 AM, James Chong <jchong@xxxxxxxxxxxx> wrote:
> > http://www.msexchange.org
> > -------------------------------------------------------Hmmm I think I've
> always used the smarthost IP rather than IP. Can't
> > seem to find any doc on smarthost resolution. By chance you're not doing
> > external DNS resolution ie. Use the external DNS lookup settings and
> > pointing to external manually configured DNS servers?
> >
> >
> > James Chong
> > Sr. Systems Engineer
> > Simplexity, LLC.
> > 11130 Sunrise Valley Drive, Suite 300
> > Reston, VA 20191
> > O (703) 657-4612
> > C (703) 863-1483
> >
> >
> > -----Original Message-----
> > From: exchangelist-bounce@xxxxxxxxxxxxx
> > [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Kern
> > Sent: Thursday, January 17, 2008 9:00 AM
> > To: exchangelist@xxxxxxxxxxxxx
> > Subject: [ExchangeList] Re: send connector issue
> >
> > http://www.msexchange.org
> >
> > -------------------------------------------------------Here is what I
> > see-
> >
> > I ran Netmon
> > the reason its failing is because the send connector is querying for
> > an MX record for the FQDN of the smarthost BUT my smarthost doesnt
> > have an MX record.
> >
> > Kinda defeats one of the points of using a smarthost
> >
> > why would it query for the mx record of a smarthost?
> >
> > if that is true, i would call that a bug....
> >
> > On Jan 17, 2008 8:39 AM, James Chong <jchong@xxxxxxxxxxxx> wrote:
> > > http://www.msexchange.org
> > > -------------------------------------------------------Does running
> > the mail flow troubleshooter give any more details?
> > >
> > > Is this a new connector or an existing one that broke?
> > >
> > >
> > >
> > >
> > > James Chong
> > > Sr. Systems Engineer
> > > Simplexity, LLC.
> > > 11130 Sunrise Valley Drive, Suite 300
> > > Reston, VA 20191
> > > O (703) 657-4612
> > > C (703) 863-1483
> > >
> > >
> > > -----Original Message-----
> > > From: exchangelist-bounce@xxxxxxxxxxxxx
> > > [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Kern
> > > Sent: Thursday, January 17, 2008 12:42 AM
> > > To: ExchangeList
> > > Subject: [ExchangeList] send connector issue
> > >
> > > http://www.msexchange.org
> > > -------------------------------------------------------Using a
> > exchange
> > > 2k7sp1 Send connector to forward email to a smarthost.
> > > i have entered the FQDN of the smarthost in the connector.
> > >
> > > when i send email i get a "451 4.4.0 DNS query failed" in the queue
> > > but I can telnet on port 25 from the hub transport to that smarthost
> > > using the fqdn and nslookup from the HT resolves correctly as well.
> > >
> > > No auth is being used.
> > >
> > >
> > >
> > > any ideas?
> > >
> > >
> > > thanks guys
> > > -------------------------------------------------------
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