For sites you might revisit but still don't trust with your real address, use an aliasing service that forwards mail to you but can be deleted at any time.
plugin allow you to create self-expiring links for developers or collaborators without needing traditional credentials. Comparison Table Registration Required Extensive database of shared logins Password-Login Simple, no-frills alternative 10 Minute Mail Creating a quick, one-time personal account Bypassing email activation hurdles login2me alternative
: The most established alternative. It allows users to search for a domain and view a list of shared login credentials submitted by other users. It includes a rating system to show which logins are currently working. Password-Login.com For sites you might revisit but still don't