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ayates

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I get an error when Kerio mail server connects to Goldman Sachs, gs.com.
The first error is "4.4.2 No greeting from remote host". This is followed later by "4.4.5 Too many connections from your host".
Other mail is working fine. My mail server is not on any blacklists as far as I can tell. The address is correct and the destination tests out OK at dnsstuff.com. I can telnet to the gs.com mail server OK from a PC going through a different router and firewall.
It is apparent that the gs.com mail server does not like what it is seeing from my server. Any ideas what that could be?
Thanks,
Anthony

[Updated on: Sun, 14 January 2007 14:36]

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ayates

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I found that all connections to other LANS including the Internet are sent via the NIC with the gateway defined, so my KMS connections have been going out from the wrong NIC with the wrong IP address. I can work around this by changing the NICs so the gateway is defined on the NIC being used by the KMS IP address.
This works and I can see the connection is being made on the right IP address. However the KMS connection to gs.com still gets the same result: no response from remote host. What could be causing that?
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ayates

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I found that when I telnet to gs.com from the mail server I see garbage in the response. I edited the Cisco firewall so that ESMTP is not inspected and it all works. The telnet response is intelligible, and the e-mail is sent.
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