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date: Fri, 9 Dec 2005 08:19:31 -0600,
group: microsoft.public.exchange2000.setup.installation
back
Re: Test Exchange before changing MX records
Alright...I tried that and have two questions relating to those
instructions.
1. I did step one from inside the firewall and I got a response from
Exchange. However that was it. I didn't get another prompt to type in any
of the remaining commands. Do I need to start a new telnet session for step
two or am I missing something necessary for this telnet email session to
work?
2. I tried step one from outside the firewall and received no response. The
telnet session would not connect. I verified that the firewall was set to
allow TCP packets destined for port 25 through and I verified that the port
forwarding was set to send them to the Exchange server's private IP address.
is there a second port hat needs to be opened and forwarded to the Exchange
server to complete the telnet connection?
I have not yet verified with my personal ISP that they are not blocking port
25 traffic on their network (although I doubt they are since my personal
email has to connect to their email server using port 25). I will be
researching that right away but I wanted to post this first.
Thanks,
Jeff
"Bharat Suneja" wrote in message
news:%23H53OAN$FHA.3568@TK2MSFTNGP09.phx.gbl...
>- Send email from a telnet session (from outside your firewall)
> http://www.suneja.com/blog/2005/10/sending-mail-from-telnet-session.html
> - Make sure Recipient Policy has generated email addresses with your
> public/registered domain as default
> --
> Bharat Suneja
> MCSE, MCT
> www.zenprise.com
> blog: www.suneja.com/blog
> -----------------------------------
>
>
> "Jeff Foster" wrote in message
> news:%23BMPUuM$FHA.2264@tk2msftngp13.phx.gbl...
>>I am in the process of setting up an Exchange server for my network. It's
>>part of SBS but since this question is related solely to Exchange, I
>>figured I would do better to ask it here.
>>
>> Our email is currently hosted by our ISP. The clients currently use
>> Outlook to download their POP3 mail directly from the ISP's servers. I
>> have Exchange set up and running and all appears fine, but before I
>> change our DNS MX records to point to our IP address and move everyone to
>> Exchange, I would like to test the Exchange setup by sending it an email
>> to see if it receives it without any problem.
>>
>> How can I send it a test email when there is no current MX record
>> pointing a domain name to our IP address?
>>
>> I tried creating an account in outlook and using our IP address as the
>> SMTP server in the account details and then sending an email, but Outlook
>> said it couldn't find the outgoing server. I guess that's a good thing
>> so that people can't just point their email apps to our server to send
>> mail from, but it didn't help me out.
>>
>> I have port 25 open on our firewall and routed to the Exchange server
>> (using port forwarding since we only have one static IP).
>>
>> Do I need to set up a test email server offsite with DNS on it and set up
>> a DNS entry on that test server to point our domain to our IP, and then
>> send an email using that box as the sending email accounts MTA server?
>> This seems like a long way around what should be a simple problem.
>>
>> Any suggestions?
>>
>> Thanks,
>> Jeff
>>
>
>
date: Fri, 9 Dec 2005 13:38:24 -0600
author: Jeff Foster
Re: Test Exchange before changing MX records
Regarding number two below...I contacted my ISP and they were blocking port
25. I have requested that they remove that filter.
My confusion still stands regarding number one below.
Jeff
"Jeff Foster" wrote in message
news:%23kE8fgP$FHA.1256@TK2MSFTNGP15.phx.gbl...
> Alright...I tried that and have two questions relating to those
> instructions.
>
> 1. I did step one from inside the firewall and I got a response from
> Exchange. However that was it. I didn't get another prompt to type in
> any of the remaining commands. Do I need to start a new telnet session
> for step two or am I missing something necessary for this telnet email
> session to work?
>
> 2. I tried step one from outside the firewall and received no response.
> The telnet session would not connect. I verified that the firewall was
> set to allow TCP packets destined for port 25 through and I verified that
> the port forwarding was set to send them to the Exchange server's private
> IP address. is there a second port hat needs to be opened and forwarded to
> the Exchange server to complete the telnet connection?
>
> I have not yet verified with my personal ISP that they are not blocking
> port 25 traffic on their network (although I doubt they are since my
> personal email has to connect to their email server using port 25). I
> will be researching that right away but I wanted to post this first.
>
> Thanks,
> Jeff
>
> "Bharat Suneja" wrote in message
> news:%23H53OAN$FHA.3568@TK2MSFTNGP09.phx.gbl...
>>- Send email from a telnet session (from outside your firewall)
>> http://www.suneja.com/blog/2005/10/sending-mail-from-telnet-session.html
>> - Make sure Recipient Policy has generated email addresses with your
>> public/registered domain as default
>> --
>> Bharat Suneja
>> MCSE, MCT
>> www.zenprise.com
>> blog: www.suneja.com/blog
>> -----------------------------------
>>
>>
>> "Jeff Foster" wrote in message
>> news:%23BMPUuM$FHA.2264@tk2msftngp13.phx.gbl...
>>>I am in the process of setting up an Exchange server for my network.
>>>It's part of SBS but since this question is related solely to Exchange, I
>>>figured I would do better to ask it here.
>>>
>>> Our email is currently hosted by our ISP. The clients currently use
>>> Outlook to download their POP3 mail directly from the ISP's servers. I
>>> have Exchange set up and running and all appears fine, but before I
>>> change our DNS MX records to point to our IP address and move everyone
>>> to Exchange, I would like to test the Exchange setup by sending it an
>>> email to see if it receives it without any problem.
>>>
>>> How can I send it a test email when there is no current MX record
>>> pointing a domain name to our IP address?
>>>
>>> I tried creating an account in outlook and using our IP address as the
>>> SMTP server in the account details and then sending an email, but
>>> Outlook said it couldn't find the outgoing server. I guess that's a
>>> good thing so that people can't just point their email apps to our
>>> server to send mail from, but it didn't help me out.
>>>
>>> I have port 25 open on our firewall and routed to the Exchange server
>>> (using port forwarding since we only have one static IP).
>>>
>>> Do I need to set up a test email server offsite with DNS on it and set
>>> up a DNS entry on that test server to point our domain to our IP, and
>>> then send an email using that box as the sending email accounts MTA
>>> server? This seems like a long way around what should be a simple
>>> problem.
>>>
>>> Any suggestions?
>>>
>>> Thanks,
>>> Jeff
>>>
>>
>>
>
>
date: Fri, 9 Dec 2005 13:59:38 -0600
author: Jeff Foster
Re: Test Exchange before changing MX records
Hi,
Telnet to a SMTP server doesn't give you a prompt. You should get a 250
(which means OK) after each successfull command.
Leif
"Jeff Foster" wrote in message
news:%23kE8fgP$FHA.1256@TK2MSFTNGP15.phx.gbl...
> Alright...I tried that and have two questions relating to those
> instructions.
>
> 1. I did step one from inside the firewall and I got a response from
> Exchange. However that was it. I didn't get another prompt to type in
> any of the remaining commands. Do I need to start a new telnet session
> for step two or am I missing something necessary for this telnet email
> session to work?
>
> 2. I tried step one from outside the firewall and received no response.
> The telnet session would not connect. I verified that the firewall was
> set to allow TCP packets destined for port 25 through and I verified that
> the port forwarding was set to send them to the Exchange server's private
> IP address. is there a second port hat needs to be opened and forwarded to
> the Exchange server to complete the telnet connection?
>
> I have not yet verified with my personal ISP that they are not blocking
> port 25 traffic on their network (although I doubt they are since my
> personal email has to connect to their email server using port 25). I
> will be researching that right away but I wanted to post this first.
>
> Thanks,
> Jeff
>
> "Bharat Suneja" wrote in message
> news:%23H53OAN$FHA.3568@TK2MSFTNGP09.phx.gbl...
>>- Send email from a telnet session (from outside your firewall)
>> http://www.suneja.com/blog/2005/10/sending-mail-from-telnet-session.html
>> - Make sure Recipient Policy has generated email addresses with your
>> public/registered domain as default
>> --
>> Bharat Suneja
>> MCSE, MCT
>> www.zenprise.com
>> blog: www.suneja.com/blog
>> -----------------------------------
>>
>>
>> "Jeff Foster" wrote in message
>> news:%23BMPUuM$FHA.2264@tk2msftngp13.phx.gbl...
>>>I am in the process of setting up an Exchange server for my network.
>>>It's part of SBS but since this question is related solely to Exchange, I
>>>figured I would do better to ask it here.
>>>
>>> Our email is currently hosted by our ISP. The clients currently use
>>> Outlook to download their POP3 mail directly from the ISP's servers. I
>>> have Exchange set up and running and all appears fine, but before I
>>> change our DNS MX records to point to our IP address and move everyone
>>> to Exchange, I would like to test the Exchange setup by sending it an
>>> email to see if it receives it without any problem.
>>>
>>> How can I send it a test email when there is no current MX record
>>> pointing a domain name to our IP address?
>>>
>>> I tried creating an account in outlook and using our IP address as the
>>> SMTP server in the account details and then sending an email, but
>>> Outlook said it couldn't find the outgoing server. I guess that's a
>>> good thing so that people can't just point their email apps to our
>>> server to send mail from, but it didn't help me out.
>>>
>>> I have port 25 open on our firewall and routed to the Exchange server
>>> (using port forwarding since we only have one static IP).
>>>
>>> Do I need to set up a test email server offsite with DNS on it and set
>>> up a DNS entry on that test server to point our domain to our IP, and
>>> then send an email using that box as the sending email accounts MTA
>>> server? This seems like a long way around what should be a simple
>>> problem.
>>>
>>> Any suggestions?
>>>
>>> Thanks,
>>> Jeff
>>>
>>
>>
>
>
date: Fri, 9 Dec 2005 21:04:41 +0100
author: Leif Pedersen [MVP]
Re: Test Exchange before changing MX records
If you follow the instructions - the server doesn't prompt you to
type/complete remaining commands - simply responds back with a 220 banner
and 250s after each command completed.
--
Bharat Suneja
MCSE, MCT
www.zenprise.com
blog: www.suneja.com/blog
-----------------------------------------
"Jeff Foster" wrote in message
news:%23kE8fgP$FHA.1256@TK2MSFTNGP15.phx.gbl...
> Alright...I tried that and have two questions relating to those
> instructions.
>
> 1. I did step one from inside the firewall and I got a response from
> Exchange. However that was it. I didn't get another prompt to type in
> any of the remaining commands. Do I need to start a new telnet session
> for step two or am I missing something necessary for this telnet email
> session to work?
>
> 2. I tried step one from outside the firewall and received no response.
> The telnet session would not connect. I verified that the firewall was
> set to allow TCP packets destined for port 25 through and I verified that
> the port forwarding was set to send them to the Exchange server's private
> IP address. is there a second port hat needs to be opened and forwarded to
> the Exchange server to complete the telnet connection?
>
> I have not yet verified with my personal ISP that they are not blocking
> port 25 traffic on their network (although I doubt they are since my
> personal email has to connect to their email server using port 25). I
> will be researching that right away but I wanted to post this first.
>
> Thanks,
> Jeff
>
> "Bharat Suneja" wrote in message
> news:%23H53OAN$FHA.3568@TK2MSFTNGP09.phx.gbl...
>>- Send email from a telnet session (from outside your firewall)
>> http://www.suneja.com/blog/2005/10/sending-mail-from-telnet-session.html
>> - Make sure Recipient Policy has generated email addresses with your
>> public/registered domain as default
>> --
>> Bharat Suneja
>> MCSE, MCT
>> www.zenprise.com
>> blog: www.suneja.com/blog
>> -----------------------------------
>>
>>
>> "Jeff Foster" wrote in message
>> news:%23BMPUuM$FHA.2264@tk2msftngp13.phx.gbl...
>>>I am in the process of setting up an Exchange server for my network.
>>>It's part of SBS but since this question is related solely to Exchange, I
>>>figured I would do better to ask it here.
>>>
>>> Our email is currently hosted by our ISP. The clients currently use
>>> Outlook to download their POP3 mail directly from the ISP's servers. I
>>> have Exchange set up and running and all appears fine, but before I
>>> change our DNS MX records to point to our IP address and move everyone
>>> to Exchange, I would like to test the Exchange setup by sending it an
>>> email to see if it receives it without any problem.
>>>
>>> How can I send it a test email when there is no current MX record
>>> pointing a domain name to our IP address?
>>>
>>> I tried creating an account in outlook and using our IP address as the
>>> SMTP server in the account details and then sending an email, but
>>> Outlook said it couldn't find the outgoing server. I guess that's a
>>> good thing so that people can't just point their email apps to our
>>> server to send mail from, but it didn't help me out.
>>>
>>> I have port 25 open on our firewall and routed to the Exchange server
>>> (using port forwarding since we only have one static IP).
>>>
>>> Do I need to set up a test email server offsite with DNS on it and set
>>> up a DNS entry on that test server to point our domain to our IP, and
>>> then send an email using that box as the sending email accounts MTA
>>> server? This seems like a long way around what should be a simple
>>> problem.
>>>
>>> Any suggestions?
>>>
>>> Thanks,
>>> Jeff
>>>
>>
>>
>
>
date: Fri, 9 Dec 2005 14:09:42 -0800
author: Bharat Suneja
Re: Test Exchange before changing MX records
Thank you for your help. I fugured out what the issue was. My ISP did have
a port 25 block which I had them lift. Once lifted, I still couldn't
connect so I checked my firewall settings again and found that the port 25
filter on my firewall was not set up correctly. I changed it and was then
able to connect without any trouble. The telnet session worked fine.
Thanks again.
Jeff
"Bharat Suneja" wrote in message
news:ePcCF1Q$FHA.292@TK2MSFTNGP14.phx.gbl...
> If you follow the instructions - the server doesn't prompt you to
> type/complete remaining commands - simply responds back with a 220 banner
> and 250s after each command completed.
> --
> Bharat Suneja
> MCSE, MCT
> www.zenprise.com
> blog: www.suneja.com/blog
> -----------------------------------------
>
>
> "Jeff Foster" wrote in message
> news:%23kE8fgP$FHA.1256@TK2MSFTNGP15.phx.gbl...
>> Alright...I tried that and have two questions relating to those
>> instructions.
>>
>> 1. I did step one from inside the firewall and I got a response from
>> Exchange. However that was it. I didn't get another prompt to type in
>> any of the remaining commands. Do I need to start a new telnet session
>> for step two or am I missing something necessary for this telnet email
>> session to work?
>>
>> 2. I tried step one from outside the firewall and received no response.
>> The telnet session would not connect. I verified that the firewall was
>> set to allow TCP packets destined for port 25 through and I verified that
>> the port forwarding was set to send them to the Exchange server's private
>> IP address. is there a second port hat needs to be opened and forwarded
>> to the Exchange server to complete the telnet connection?
>>
>> I have not yet verified with my personal ISP that they are not blocking
>> port 25 traffic on their network (although I doubt they are since my
>> personal email has to connect to their email server using port 25). I
>> will be researching that right away but I wanted to post this first.
>>
>> Thanks,
>> Jeff
>>
>> "Bharat Suneja" wrote in message
>> news:%23H53OAN$FHA.3568@TK2MSFTNGP09.phx.gbl...
>>>- Send email from a telnet session (from outside your firewall)
>>> http://www.suneja.com/blog/2005/10/sending-mail-from-telnet-session.html
>>> - Make sure Recipient Policy has generated email addresses with your
>>> public/registered domain as default
>>> --
>>> Bharat Suneja
>>> MCSE, MCT
>>> www.zenprise.com
>>> blog: www.suneja.com/blog
>>> -----------------------------------
>>>
>>>
>>> "Jeff Foster" wrote in message
>>> news:%23BMPUuM$FHA.2264@tk2msftngp13.phx.gbl...
>>>>I am in the process of setting up an Exchange server for my network.
>>>>It's part of SBS but since this question is related solely to Exchange,
>>>>I figured I would do better to ask it here.
>>>>
>>>> Our email is currently hosted by our ISP. The clients currently use
>>>> Outlook to download their POP3 mail directly from the ISP's servers. I
>>>> have Exchange set up and running and all appears fine, but before I
>>>> change our DNS MX records to point to our IP address and move everyone
>>>> to Exchange, I would like to test the Exchange setup by sending it an
>>>> email to see if it receives it without any problem.
>>>>
>>>> How can I send it a test email when there is no current MX record
>>>> pointing a domain name to our IP address?
>>>>
>>>> I tried creating an account in outlook and using our IP address as the
>>>> SMTP server in the account details and then sending an email, but
>>>> Outlook said it couldn't find the outgoing server. I guess that's a
>>>> good thing so that people can't just point their email apps to our
>>>> server to send mail from, but it didn't help me out.
>>>>
>>>> I have port 25 open on our firewall and routed to the Exchange server
>>>> (using port forwarding since we only have one static IP).
>>>>
>>>> Do I need to set up a test email server offsite with DNS on it and set
>>>> up a DNS entry on that test server to point our domain to our IP, and
>>>> then send an email using that box as the sending email accounts MTA
>>>> server? This seems like a long way around what should be a simple
>>>> problem.
>>>>
>>>> Any suggestions?
>>>>
>>>> Thanks,
>>>> Jeff
>>>>
>>>
>>>
>>
>>
>
>
date: Mon, 12 Dec 2005 08:44:56 -0600
author: Jeff Foster
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