For-fee email services are email providers that charge for using their email services. These types of providers provides more features than other free email servicecs. They are usually more reliable, stable and contains no or very little advertisement.
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Web-based email is where you use read your emails online. You use your internet browser to go to your email provider's site, use your username and password to to log in and read your emails. All your emails are stored in an email server that is operated by your email provider. These free web-based providers mostly offer less features than the fee-based providers and with alot more advertisements. The advantages about these free services are that they are free and the free features they offer are more than enough for the average users. There are many good free web-based emails provider out there such as yahoo, gmail, and hotmail, etc.
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POP mail services store your incoming messages on a server until you are ready to collect them. You download them using an email software package (Eudora, Pegasus Mail or Outlook Express, for instance). Once you download the messages, they are deleted from the server and stored on your PC. POP mail is what most ISPs offer, so you probably already have at least one POP mail account. Most free web-based email providers don't offer POP as a free feature but as optional paid feature.
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