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Netmail 5.x Outlook Add-In


Cannot access archives with the Outlook Add-In.  The Archive button is missing from the Outlook client.  When logging into Outlook with the Netmail Archive Add-In installed, a prompt similar to the screenshot below is generated:

If trace logging is enabled, the log gives the following error after accessing the URL: "The underlying connection was closed: An unexpected error occurred on a send."


This is an common issue when proxy servers are configured, even for LAN traffic. 

In Control Panel > Internet Options > Connections tab > LAN Settings > Proxy Server area, uncheck the option to use a proxy server for the LAN:


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