iSurfer Shield allows you to surf the Internet in total ‘stealth’ mode, preventing malicious websites from recording your real IP address, also it helps protect your inbox from SPAM by providing disposable emails to use with less trusty websites
The UMail Agent application utilizes the service Umail.NET, providing you with disposable email accounts, custom mail checking, advanced anti-spam policies, plus functionality that includes tagging, prioritizing and auto-responding to messages.
Temporary Inbox – Firefox add-on that allows you to create temporary email account.
Gish It! – Mozilla add-on that will create a GishPuppy disposable email.