Mac Leopard Internet Connect

I connect on a hotel and i can receive and cannot send emails from my mac mail program. This is very usual... ...

I don't think Leopard has the program Internet Connect anymore. ...

Okay, I'm kind of confused and hoping for some help. I have two machines in the office, a Mac and an XP Windows Machine. ...

I have a MacBook Pro running Leopard and a PC running Windows XP. I had an old Gateway wireless router running the 802.11B protocol with the Mac connecting to the network wirelessly and the PC connecting through the ethernet. ...

I have upgraded to Leopard from Tiger and suddenly I can no longer access other computers or even print on my home network. I am using a NetGear router and connected to TalkTalk broadband. ...

when I am connected with XPs while my Leopard is not connected to the internet, then we know XP and Leopard are internally connected with the 192.168.1.xx IP. They are fixed for each PC and Mac. The connection is fine. ...

With authentication disabled I connect directly, but I am afraid so does somebody else in the neighborhood... ...

Samba from the mac os 10.4.11 via the network browser to the Windows Vista Business SP1 laptop. ...

Although I can connect to and mount the Share folder on this drive when the macbook is connected to the network, Time Machine will not back up to it. ...

I have to make this connection manually, although settings are to connect automatically. Not really a problem, but a bit of a nuisance. Any suggestions? ...