THere is no firewall running except the hardware one on the router :-)
But if it would be a problem I expect it would also block access to
smtp.gmail.com from OE.
Not necessarily is it can block by application.
The error happens very quickly, within a 2-3 seconds of hitting 'Send
mail in queue', I doubt it's the timeout issue. I have tried increasing
the timeout, but it doesn't make any difference.
Very quickly might mean that GMail is blocking but I doubt it since it's not even getting a response. When you cannot connect that means something between you and the server is blocking. Since OE can connect, that something is blocking WinPMail specifically. This is not a WinPMail problem. Remove the blocking and it works just fine.
I have found a posting on Gmail's forums where people could not send
mail out, and one of the suggestions (which I actually needed to use,
before I could send via my Gmail account from OE) was to check the 'My
server requires authentication' for the outgoing server.
You are not even getting that far. WinPMail is saying it cannot even make initial contact with the smtp.gmail.com host on the specified port. There is something you have not yet told us about your setup since this really looks like there is something running between WinPMail and the GMail host.
<blockquote><p>THere is no firewall running except the hardware one on the router :-)
But if it would be a problem I expect it would also block access to
smtp.gmail.com from OE.</p></blockquote><p>&nbsp;Not necessarily is it can block by application. </p><blockquote><p>The error happens very quickly, within a 2-3 seconds of hitting 'Send
mail in queue', I doubt it's the timeout issue. I have tried increasing
the timeout, but it doesn't make any difference.</p></blockquote><p>Very quickly might mean that GMail is blocking but I doubt it since it's not even getting a response.&nbsp; When you cannot connect that means something between you and the server is blocking.&nbsp; Since OE can connect, that something is blocking WinPMail specifically.&nbsp; This is not a WinPMail problem.&nbsp; Remove the blocking and it works just fine.&nbsp;
</p><blockquote><p>&nbsp;I have found a posting on Gmail's forums where people could not send
mail out, and one of the suggestions (which I actually needed to use,
before I could send via my Gmail account from OE) was to check the 'My
server requires authentication' for the outgoing server.</p></blockquote><p>You are not even getting that far.&nbsp; WinPMail is saying it cannot even make initial contact with the smtp.gmail.com host on the specified port.&nbsp; There is something you have not yet told us about your setup since this really looks like there is something running between WinPMail and the GMail host.</p><p>&nbsp;</p><p>&nbsp;</p>