Yahoo! Mail Checker
Brings Yahoo! Mail to your desktop. Automatically logs in and checks new e-mails. Like Yahoo! messenger, only this one is much better. You can choose an interval in minutes for checking new mails. And has options like, start with windows and run in system tray.
http://members.chello.nl/~h.vanoosterhoutbos/

Free Greeting Cards
Free ecards and greeting cards for wide variety of occasions happening around the world.
http://www.memorygreetings.com

Find Me Mail
If you've ever changed your E-mail address or anticipate doing so, then check out this free service. Find Me-Mail offers a place to post your new E-mail address for your old E-mail contacts. When you register with their directory and update your information you won't have to worry about losing contact with anyone again. Offered in English, German, Spanish and French.
http://www.findmemail.com/

E2Umail.com
This is a new free E-mail service that gives you 350 megs of storage and has handy features that we've not seen elsewhere. E2Umail.com offers an ad-free Webmail interface and POP3/IMAP/WAP access. Other features include a virus/spam filter, mail encryption, SMS messages, a mail monitor utility, and more.
http://e2umail.com

Global Message Exchange
Here's a free E-mail service from Germany. Here, you may compose your messages off-line. They have a POP and a SMTP server, so you can use your favorite E-mail program to handle all your E-mail. (No spam allowed).
http://www.gmx.net/

YourMailingListProvider.com
Would you like to set up a newsletter for your site's visitors? This site offers free hosting for mailing lists. It's easy to set up: all you need to do is sign up, and then cut and paste a section of HTML to your pages (which creates a subscription form, which your visitors can use to sign up for your newsletter). This service is offered in English, French and Dutch versions.
http://www.yourmailinglistprovider.com

EZ-Reminders.com
This free reminder service can help organize your life. You can configure it to automatically E-mail you when important dates and events roll around. It's handy for remembering birthdays, anniversaries, meetings, doctor appointments, auto maintenance, etc.
http://www.ez-reminders.com

Internet Tourbus
One of the Web's first free E-mail newsletters (and still one of the best), the Internet Tourbus really has its finger on the pulse of what's new and interesting on the Net. Author Patrick Crispen packs each issue with quality original editorial content on everything from notable new sites to interesting uses for E-mail to Web urban myths.
http://www.tourbus.com/

Free Outlook Mail stationery
We've had a number of requests lately from visitors using Outlook Express Mail, asking where they can get custom stationery to liven up their correspondence. This is the place to go. Here, you'll find a wonderful collection of free themed stationery for use on Outlook. Each self-installing package includes beautiful scrolling backgrounds, and some include music. (These files are for Outlook Express running on Windows. They won't work on Outlook Express for the Mac).
http://www.thundercloud.net/stationery

PostSmile
PostSmile lets you insert funny smiley faces into your e-mail messages, as well as online message board postings.
http://www.postsmile.com