There are many web mail clients available, such as Evolution and Thunderbird. I have used both and find them lacking in some areas. For this reason and others I use a browser web mail app instead.
If you already use a web mail program this will probably be old hat to you. However, if you have not used one before this should be very helpful. Note, for this section I do not suggest you try and run these commands, just read them.
The following is the method to access a webmail client using Firefox:
Log in to your account on your provider's website. Somewhere on there should be a link to to access your e-mail. Your provider may even give you a choice of which web mail app to use. I chose Squirrel Mail.
Whichever one you pick, it should open up and ask for your email account password. Remember that this might be different from the password you used to get into your provider's main account.
Once you are in the mail app should present you...