smtp failed connection attemp

Hi

This is my scenario

Exchange 2010 --> TMG 2010--> UBM Xroads --> ISP

My TMG runs on Hyper-V and Windows 2008 R2 hosted for Windows server 2012 R2

two NICS

When i publish the Exchange server on TMG receive without problems but send email is not working

Failed Connection Attempt PMSNTMGSVRV 25/02/2014 10:01:38 a.m.
Log type: Firewall service
Status: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. 
Rule: mailOUT
Source: Internal (192.168.1.20:7419)
Destination: External (85.158.140.211:587)
Protocol: mail
 Additional information
Number of bytes sent: 0 Number of bytes received: 0
Processing time: 21015ms Original Client IP: 192.168.1.20

Im already chek NIC config and all seems to be ok. but im stuck with this.

Any idea?

  • Edited by HugoMaya Tuesday, February 25, 2014 8:10 PM
February 25th, 2014 9:54pm

Hi

We need you to confirm if there is any error information in TMG live logging.

If there is any error prompt, you may need to ask Exchange Forum for help.

Best Regards

Quan Gu

Free Windows Admin Tool Kit Click here and download it now
February 26th, 2014 10:01am

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