Re: Emails stuck in queue error 451 4.4.0 Primary target IP addres

Exactly. Your Exchange server is unable to connect to host smtp.surfdsl.net using SMTP--that's what the telnet to port 25 tests. Why that is I can't tell you. You might look into firewall settings to start, or look into the settings on smtp.surfdsl.net; perhaps it won't let you connect.

P.S. - You have a lot of nerve criticizing me for your repeated unwillingness to admit to yourself that you might have made a mistake.
--
Ed Crowley MVP
"There are seldom good technological solutions to behavioral problems."
..

"Siv" <Siv@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message news:142FB5CB-9160-4AFD-9B61-0F38E6A93371@xxxxxxxxxxxxxxxx
Ed,
OK I get it I missed off the trailig port 25 in the Telnet command, couldn't
you have just said that and saved us both a heap of time. I am not familiar
with Telnet commands so it was not obvious to me what you were getting at?

OK so with the new knowlege we get this:

Microsoft Windows [Version 6.0.6002]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Siv>telnet smtp.surfdsl.net 25
Connecting To smtp.surfdsl.net...Could not open connection to the host, on
port
25: Connect failed

C:\Users\Siv>

So I can no longer go any further I assume.

Siv
--
Martley, Near Worcester, UK


"Ed Crowley [MVP]" wrote:

Go back and read and follow what I told you to do, please.
--
Ed Crowley MVP
"There are seldom good technological solutions to behavioral problems."
..

"Siv" <Siv@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:25B4B914-73A3-4799-95FD-4F58FB3ECF24@xxxxxxxxxxxxxxxx
> Ed,
>
> Well if you look in my post I posted the command prompt and the > reposnse I
> get back, IE:
>
>> >> > C:\Users\Siv>telnet smtp.surfdsl.net
>> >> > Connecting To smtp.surfdsl.net...Could not open connection to the
>> >> > host,
>> >> > on
>> >> > port
>> >> > 23: Connect failed
>
> In other words at the command prompt I typed
>
> telnet smtp.surfdsl.net
>
> I am assuming the angle brackets are not part of the command as in your
> text
> before that you say:
>
>> >> >> <smrthost> is the name or IP address of your smarthost exactly >> >> >> as
>> >> >> you
>> >> >> have
>> >> >> configured it in Exchange):
>
> In exchange I have "smtp.surfdsl.net".
>
> When I type that and press return I get the following response back:
>
> Connecting To smtp.surfdsl.net...Could not open connection to the host, > on
> port
> 23: Connect failed
>
> So after that error I gave up.
>
> Can you be more specific about what I am doing wrong as I am now very
> confused by your replies.
>
> Siv
>
> -- > Martley, Near Worcester, UK
>
>
> "Ed Crowley [MVP]" wrote:
>
>> Please post the transcript of the commands and responses the way I
>> instructed you to enter them. Your previous post did not show that >> you
>> followed the instructions as I gave them to you.
>> -- >> Ed Crowley MVP
>> "There are seldom good technological solutions to behavioral >> problems."
>> ..
>>
>> "Siv" <Siv@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> news:29838838-3B84-48B3-858A-1A02C6BBB4EF@xxxxxxxxxxxxxxxx
>> > Ed,
>> > I did and it gave a rejection so I didn't proceed any further as I
>> > assumed
>> > the following stuff was dependent on the telnet login being >> > accepted??
>> >
>> > Siv
>> > -- >> > Martley, Near Worcester, UK
>> >
>> >
>> > "Ed Crowley [MVP]" wrote:
>> >
>> >> Please follow the instructions as I wrote them.
>> >> -- >> >> Ed Crowley MVP
>> >> "There are seldom good technological solutions to behavioral
>> >> problems."
>> >> ..
>> >>
>> >> "Siv" <Siv@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> >> news:2EEB11B0-841C-4B45-8B0E-7E2FB31182BC@xxxxxxxxxxxxxxxx
>> >> > Ed,
>> >> >
>> >> > Thnaks for your help with this.
>> >> >
>> >> > This is the response:
>> >> >
>> >> > Microsoft Windows [Version 6.0.6002]
>> >> > Copyright (c) 2006 Microsoft Corporation. All rights reserved.
>> >> >
>> >> > C:\Users\Siv>telnet smtp.surfdsl.net
>> >> > Connecting To smtp.surfdsl.net...Could not open connection to the
>> >> > host,
>> >> > on
>> >> > port
>> >> > 23: Connect failed
>> >> >
>> >> > C:\Users\Siv>ping smtp.surfdsl.net
>> >> >
>> >> > Pinging smtp.surfdsl.net [62.69.62.120] with 32 bytes of data:
>> >> > Reply from 62.69.62.120: bytes=32 time=33ms TTL=59
>> >> > Reply from 62.69.62.120: bytes=32 time=37ms TTL=59
>> >> > Reply from 62.69.62.120: bytes=32 time=34ms TTL=59
>> >> > Reply from 62.69.62.120: bytes=32 time=33ms TTL=59
>> >> >
>> >> > Ping statistics for 62.69.62.120:
>> >> > Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
>> >> > Approximate round trip times in milli-seconds:
>> >> > Minimum = 33ms, Maximum = 37ms, Average = 34ms
>> >> >
>> >> > C:\Users\Siv>
>> >> >
>> >> > Certainly doesn't seem to want to respond?? I decided to ping it
>> >> > just
>> >> > to
>> >> > see
>> >> > if it would respond and it would as you can see.
>> >> >
>> >> >
>> >> > Siv
>> >> > -- >> >> > Martley, Near Worcester, UK
>> >> >
>> >> >
>> >> > "Ed Crowley [MVP]" wrote:
>> >> >
>> >> >> On your SBS server open a command window and type the following
>> >> >> (where
>> >> >> <smrthost> is the name or IP address of your smarthost exactly >> >> >> as
>> >> >> you
>> >> >> have
>> >> >> configured it in Exchange):
>> >> >>
>> >> >> telnet <smarthost> 25
>> >> >>
>> >> >> (You should see a banner from the smarthost.)
>> >> >>
>> >> >> helo exchangeserver.company.com
>> >> >> mail from:you@xxxxxxxxxxx
>> >> >> rcpt to:you@xxxxxxxxx
>> >> >> subject:Test Message
>> >> >> data
>> >> >> This is a test.
>> >> >> ..
>> >> >> quit
>> >> >>
>> >> >> Just before the quit, there's a period on a line by itself.
>> >> >>
>> >> >> Post back with what happens. It'd be best to just copy the >> >> >> entire
>> >> >> session
>> >> >> to the clipboard and paste it in your reply.
>> >> >> -- >> >> >> Ed Crowley MVP
>> >> >> "There are seldom good technological solutions to behavioral
>> >> >> problems."
>> >> >> ..
>> >> >>
>> >> >> "Siv" <Siv@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> >> >> news:C1324D06-28A7-4A0E-9E5A-C8D44428F1E8@xxxxxxxxxxxxxxxx
>> >> >> > Hi,
>> >> >> > I am running Windows SBS 2008 Server.
>> >> >> >
>> >> >> > I am trying to set our outbound email to use a smarthost
>> >> >> > "smtp.surfdsl.net"
>> >> >> > whenever I set up the SBS to use this smarthost mails start to
>> >> >> > pile
>> >> >> > up
>> >> >> > and
>> >> >> > if
>> >> >> > I look at the oubound queues I can see an error alongside the
>> >> >> > outbound
>> >> >> > comnnector which says:
>> >> >> >
>> >> >> > 451 4.4.0 Primary target IP address responded with: "421 4.2.1
>> >> >> > Unable
>> >> >> > to
>> >> >> > connect." Attempted failover to alternate host ..."
>> >> >> >
>> >> >> > I cannot see why the "unable to connect" message is coming up? >> >> >> > I
>> >> >> > have
>> >> >> > checked the router's firewall settings and all outbound TCP >> >> >> > and
>> >> >> > UDP
>> >> >> > is
>> >> >> > allowed.
>> >> >> >
>> >> >> > Inbound port 25 is port forwarded to the server's internal IP
>> >> >> > Address.
>> >> >> >
>> >> >> > I have no Windows firewall rules that I can see that would be
>> >> >> > blocking
>> >> >> > this
>> >> >> > (all outbound TCP and UDP is allowed and I can see no relevant
>> >> >> > exception
>> >> >> > rules that would impede SMTP outbound).
>> >> >> >
>> >> >> > Can anyone suggest why this is happening. For the time being >> >> >> > I
>> >> >> > have
>> >> >> > had
>> >> >> > to
>> >> >> > set the mail to direct delivery via DNS.
>> >> >> >
>> >> >> > Any help appreciated.
>> >> >> >
>> >> >> > Siv
>> >> >> > -- >> >> >> > Martley, Near Worcester, UK
>> >> >>
>> >> >>
>> >>
>> >>
>>
>>



.

Loading