Many Websites require mandatory e-mail form fields that need to be validated, however many of these websites also tend to bother you with unwanted e-mail. 10Minute mail developed by Devon Hillard @ DigitalSanctuary is by far the best disposable e-mail services out there to curb these annoying spammers. This extension adds a one click opening of your current 10minute mail inbox and avoiding the schlepp of opening another tab.
To use,open the popup by clicking the button in the top-right corner of your browser.
A popup will appear, copy the disposable e-mail into the e-mail form field you are registering for and wait for the e-mail to be sent to the popup.