Check that you have entered your username and password correctly when your email program asks for them. Often, this file will very slowly squeeze down your modem to you, so you get progress messages and the progress bar on the screen moving, just, but generally people think nothing is happening. If there is any progress, that file is on its way. You can connect , but you can't get onto this great website with your browser. Check first if you can get onto other websites , starting with your ISP's homepage, your closest connection.
Some sites are very busy at times, or simply go 'down' for a while.
If you can't get onto your ISP's homepage, ring ISP Tech Support. If you can get onto your ISP's homepage, your browser connection is fine. The break in the line is somewhere else. If that's OK, try overseas sites. If you can't get anything away from your home server , turn off your proxy in your browser Settings temporarily.