Yahoo Mail
http://mail.yahoo.com/
Free, accessable from any Internet connection, plenty of free e-mail storage, filter unwanted mail with "spanguard."

Hot Mail
http://www.hotmail.com
MSN Hotmail is the world's largest provider of free Web-based e-mail, and is based on the premise that e-mail access should be easy and possible from any computer connected to the World Wide Web.
Limitation: MSN Hotmail offers 2MB of storage space when you store your messages and attachments on MSN Hotmail servers. If you do not keep your account below this limit, MSN Hotmail may remove some messages and their attachments. Messages and attachments removed by MSN Hotmail cannot be recovered. To keep from exceeding the storage limit, we recommend saving your large attachments to your hard drive.

Free E-Mail Software

Eudora
http://www.eudora.com
Eudora has a wide range of free e-mail programs that will be perfect for any user.

Pegasus
http://www.pmail.com/
Pegasus Mail is the Internet's longest-serving PC e-mail system, and for the Mercury Mail Transport System, our comprehensive range of Internet Mail Server products. Pegasus Mail and Mercury are free products, dedicated to serving all who need them.

Free Spam Remover

Spam Weasel
http://www.twocows.com/preview/194113.html
This program will let you filter spam, declare the priority level of the mail and apply mail rules.

Free E-Mail Sender

PostCast Server
http://www.postcastserver.com/
This is a mail server application that allows you to send more than 3,500 messages per hour. It's a great solution for newsletters, separate mailing lists, notifications to your customers, and individual messages.

File Storage

StorageVault
http://www.storagevault.net/
Offers safe, secure and reliable online storage with Multiple access points to data, 10MB free

Egghead.com
http://www.egghead.digitalwork.com/techsupport/storefiles/
Access your computer files from any computer! Fill out an online registration form and automatically receive 20 MB of free hard drive space!

MyVisto
http://www.visto.com/consumer/html/service/fileStorage.html
Access 15MB of free space for your personal files.