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We have a vendor with whom we have VPN connection and the application which trying to send emails is on their end. So I created a custom receive connector using application server's IP address as remote IP address. They can ping and telnet to exchange server. Here is the message we got when trying to send email from that server,
220 EXCHANGESRV.companyname.co
28 Jan 2011 15:39:45 -0600
set local_echo
500 Command unrecognized.
mail from: SendAsEmail@companyname.co
503 5.5.2 Send hello first
helo test
500 Command unrecognized.
helo test
250 EXCHANGESRV.companyname.co
mail from: SendAsEmail@companyname.co
250 2.1.0 Sender OK
rcpt to: myemail@companyname.com
250 2.1.5 Recipient OK
rcpt to:testemail@companyname.c
250 2.1.5 Recipient OK
data
354 Enter mail, end with "." on a line by itself.
To:myemail@companyname.com
from:SendAsEmail@companyna
Subject: Telnet Email Test 3
.
550 Denied by policy.
500 Command unrecognized.
Please advice. Thanks!
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I can't see too much wrong there.
set local_echo < Ive not heard of this command myself. maybe others have.
the first helo test, you must have made a typo and telnet with smtp does not permit you to use a backspace at all during your typing.
the second helo test looks to have been typed without a typo, so that worked.
the 'mail from' and 'rcpt to' commands worked fine too.
data is where you start typing the body of your email.
In the body of your email, you have started with to: (not sure why you want to try and add more email addresses here, as they are just part of the body.
subject: this line is fine
Can you start over and type in only the following lines, copy and paste would be best due to no typos being typed.
helo test
mail from: sendasemail@company.com
rcpt to: myemail@company.com
data
Subject: this is a test
.Try that and paste your results.
If you have added the correct IP address on the receive connector, can you restart the Transport Service and retest.
S00007359 - are you asking me to add app server ip address in receive connector? I have already done that.
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550 Denied by policy. Any other idea?
If so, please try and turn it off and retry in attempt to find the cause.
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So what is blocking from Exchange 2007?
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As long as you have locked it down to the single IP of the server you are sending from. This should be fine.
I hope this is a new connector.
This connector should have the Remote IP Addresses removed and only allow the ones in which you want to be able to relay via Exchange.
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This is the default connector which creates upon EX 07 setup.
use this link to find out which authentication to use:
http://www.commodore.ca/windows/exchange/new-exchange-2007-new-receive-connector-relay-authentication-tab.png
And these permission groups:
http://www.servolutions.com/images/exchange_2007_receive_connector_properties_2.png
Then in Remote IP Address, put the IP of your server that you wish to relay through Exchange.
And my question is allowing these permission groups on the DEFAULT connector opens up any security issue?
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Exchange
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Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.