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davec
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Joined: 19 April 2012
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Posted: 19 April 2012 at 7:31am | IP Logged Quote davec
I've installed WebMail Lite onto my dev (local desktop) machine (Win7,IIS7.5) and also onto a live server (Win2003, IIS6).

Both installations reference domains on my live server (the same box as above). Both installations use EXACTLY the same settings (admin panel, domains, etc).

Running WebMail Lite on my local machine works perfectly, all users can log in, and WebMail Lite successfully connects to the live server via POP and shows the emails etc.

However, on the live server, none of the users can connect. The error log on the live server shows this:


[14:10:59.61] [INFO] Assembly version: 6.0.2.220.
[14:10:59.61] [INFO] Will resolve host "mail.myDomainName.co.uk".
[14:10:59.61] [INFO] Host "mail.myDomainName.co.uk" resolved to IP address(es) 89.xxx.xxx.199.
[14:10:59.61] [INFO] Will connect to host "mail.myDomainName.co.uk" on port 110.
[14:10:59.61] [INFO] Socket connected to IP address 89.xxx.xxx.199 on port 110.
[14:11:20.14] [INFO] Error: The socket object used by MailBee was unexpectedly closed. InnerException message follows: Unable to read data from the transport connection: 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.
[14:11:20.14] [INFO] Will disconnect from host "mail.myDomainName.co.uk".
[14:11:20.14] [INFO] Disconnected from host "mail.myDomainName.co.uk".


Can anyone guess why that might be? At first I thought it must be a firewall issue, however, why would the machine allow connection from an external source but not from the same IP?

I've also tried http://www.canyouseeme.org/ to check ports 25 and 100, and those show up okay.

Any help would be appreciated!

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Igor
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Joined: 24 June 2008
Location: United States
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Posted: 19 April 2012 at 10:55pm | IP Logged Quote Igor
As the first step, I'd suggest trying to access those accounts using some other POP3 client installed on the server itself (Outlook Express, Mozilla Thunderbird etc), simple telnet session (something like "telnet mail.myDomainName.co.uk 110") from that machine would work as well I assume. Also you might want to check if that mail.myDomainName.co.uk actually resolves to proper IP address. And if you're running any protective software (firewall, antivirus etc.) you might want to turn them off temporarily for testing purposes.

--
Regards,
Igor, AfterLogic Support
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davec
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Joined: 19 April 2012
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Posted: 20 April 2012 at 2:34am | IP Logged Quote davec
Hi

I understand that you don't provide support with the Lite version, and therefore really appreciate your input.

After contacting the hosting company, it emerged that the server is prevented from connecting to 'itself' by the firewall, which is done to prevent packet spoofing.

After changing 'mail.myDomainName.co.uk' to 'localhost', everything works perfectly.

Thanks again for your help. Have a great weekend.
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