Outbound emails go nowhere using exchange 2010

I can sned emails to myself in Exchange 2010 from both internal and external.

If I send from my old exchange server 2003, I receive the email in my mew email server 2010 but when i reply the email goes into (who no where?)

So I am guessing my outbound from exchange 2010 is not working, but it can receive emails from exchange 2010.  I have tested this using a internal email address and I have sent a email from my gmail account.  I received both but when I reply the reply never get back to me?
Scott JohnstonIT Manager Asked:
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Mohd_ShaikhCommented:
Hi,

First of all, verify the DNS settings.

Make sure that Outbound port 25 should be opened for Exchange 2010 on Firewall.

Try by doing telnet eg-  " telnet exchangeservername  25" and try to send email from Exchange to any other remote domains like Gmail etc.

Also check it out your Outbound public ipaddress should not be in blacklisted.


Thank You!
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Scott JohnstonIT Manager Author Commented:
No blacklist, I have another exchange server that I am moving away from and it is setup with the public IP.
I think you are sending me in the right direction...
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Scott JohnstonIT Manager Author Commented:
the telnet work perfectly

220 Bmail.corp.biotone.com Microsoft ESMTP MAIL Service ready at Fri, 6 Sep 2013
 16:19:27 -0700
ehlo scott
250-Bmail.corp.biotone.com Hello [192.168.1.30]
250-SIZE
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-X-ANONYMOUSTLS
250-AUTH NTLM
250-X-EXPS GSSAPI NTLM
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250-XEXCH50
250-XRDST
250 XSHADOW
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Scott JohnstonIT Manager Author Commented:
looks like when I try to authenticate to the smtp I am getting a error 504 5.7.4 Unrecognized authentication type....?
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Mohd_ShaikhCommented:
Hello,

1. Enabled "Basic Authentication"  on the properties of  Receive Connector

2. Set the correct required permissions  for "Authenticated user groups" on Receive connector through ADSIEDIT  and restart the Transport Service on the Exchange Hub Transport server.

Steps:

====

1. Go to Run and type " ADSIEDIT .Msc" (without quotes)

2. Expand  Configuration

3. Expand CN=Services----CN=Microsoft Exchange

4. Expand CN= Administrative Groups--->CN= Exchange Administrative Group

5. Expand CN=Servers---CN=Protocols

6. select CN=SMTP Receive Connectors--- Right Hand Side Window go to the properties of the concerned Receive Connector

7. Select Authenticated user----Checked the attributes (Submit Message to Any Recipient, Submit Message to Server, Accept Authoritative Domain Sender, Accept Any Sender)

3. Restart transport service

OR

4. It might be problem with the firewall end. Check it out firewall settings.

Thanks!!!
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Scott JohnstonIT Manager Author Commented:
None of these fixed my issue, but I appreciate your help.  I need to close tickets that have become stalh...
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