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    The best alternatives to Landmark are Protect IID, AltMails, and TheRightMargin. If these 3 options don't work for you, we've listed over 10 alternatives below.
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    • 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.
    • By using AltMails email addresses, you will never have to give out your personal email ever again. Instead, you can use our email addresses for every service you sign up with, making it really hard for companies and advertisers to track you online.
    • A smart writing app built for writers, by writers.
    • Eskiimo is a fun tool that lets you sent email to either a friend, friend of a friend, family member, cowoker or someone. There is no way to find out who sent an Eskiimo.
    • Identibyte provides an API to recognize disposable email addresses, fraudulent email address, and spam. Add a first line of defense to your web services by using Identibyte to protect your application from fake and malicious accounts.
    • IdBloc protects your privacy & security by generating permanent, anonymous email addresses on demand. Use IdBloc whenever someone wants your email address. Emails are automatically forwarded to your real address, keeping your identity secure.
    • Instantly become a verified user on any site The extension fills up sign up forms with a randomly generated email (as well as a username and a password). Protect your privacy by getting a new email for every website.
    • Maildim is the premier site for all things relating to temporary, disposable, and throwaway email addresses. It helps users to avoid SPAM, protect their online privacy, and stop them from having to give away their personal email addresses.
    • Never give your private email away again. CatchMailNot lets you replace your real email address with unlimited custom addresses. Find your busiest aliases using our statistics, then create rules and filters to manage your workflow.
    • Intimité allows you to easily manage your online data. We use randomly generated email addresses to keep your online behaviour anonymous and to enable us to do the legal legwork to have your data removed under CCPA and GDPR on your behalf.
    • Create proxy email addresses that forward to your real email address. Sign up for new services with a proxy email address. Use a new proxy email address for each service you sign up for in order to maximize your privacy. https://obscura.one