Instant Email Address is described as 'Free Throwaway Email Address service. 250Kb message size. If you put a password on your account you need to log in' and is an website in the Office & Productivity category. There are more than 50 alternatives to Instant Email Address, not only websites but also apps for a variety of platforms, including Windows, SaaS, Firefox and Linux. The best alternative is MailDrop, which is both free and Open Source. Other great sites and apps similar to Instant Email Address are AnonAddy (Freemium, Open Source), Spamgourmet (Free, Open Source), 10 Minute Mail (Free) and Mailinator (Freemium).
Inboxkitten is an open-source disposable email service that you can freely deploy adopt on your own! Use any inbox to avoid spam Use inboxkitten when you don't want to get spammed by revealing your real email address. Email Auto-Deletes
Open source solution to protect your personal email address. Generous free plan with uncapped bandwidth and infinite sends/replies, self-hostable, lot of powerful features, open roadmap, you can count on SimpleLogin to guard your email inbox.
Simple free disposable email address service, unlimited free disposable email addresses. Create a new e-mail address whenever you need one. Maintain complete control over active addresses. Forwards all mail to your existing e-mail address. Never receive unwanted e-mail again.
Learn to Protect your Internet Identity. Single-use email address is a generated email address that is used only once when signing up for a service. It makes impossible for attackers to predict which email address was used for which service.
We all make many online accounts, but most of them are linked to 1 or 2 of our email addresses. This means if just one account is hacked or tracked, every other account and its associated data is now also at risk.
Hushmail is a commercial email service focusing on security with features such as industry-standard OpenPGP encryption and two-step verification. All communications also use a secure SSL/TLS connection.