You needed a Website to host that file.
Here are some sites where you could create one for free. You can search for more.
For Bravenet.com Click here
For Freewebs.com Click here
For Freehostia.com Click here
For Awardspace.com Click here
Then you need to create an account on the site you selected. Once all is set, open the script on any Web Development software, like Dreamweaver. If you don’t have one, you can use a free one provided by Microsoft the FrontPage, included in Microsoft Office package.
Open the script using the software that you choose, make sure that the extension name of your file is set to HTML. Then edit the file, locate the email address DARFUN87@YAHOO.COM, remove and replace that with your own email add where you intend to send the input txt file, then save and publish your file to your site, you will be prompted by an account name and password of your site.
This is what it will look using Microsoft FrontPage if you publish it, make sure that the preview tab at the bottom is selected before you click the PUBLISH WEB, under the FILE menu.
After you click OK, a new windows will pop up, you have to type your account and password.
Finish, all you have to do now is find a way to pass the link of your site to your victim. You can use overlay profile or by sending a comment or banner with your URL embedded to that. How to do that? Click here