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Life & fun · March 3, 2019

IU

IdBloc – Use a different email address for every website

Hi HN! I've been thinking about how we use password generators to create a unique password for every login to increase security, but most of us use the same email address as the login identifier on every website and mailing list out there. It's a big privacy and security hole that isn't easily plugged (e.g. anyone who knows your email address has a starting point to start trying to get into your account, it's easy to track emails across websites etc.) To solve this I've created https://idbloc.co It’s a web app that lets you generate random, untraceable email addresses that forward…

IdBloc – Use a different email address for every website launched on March 3, 2019 with 10 votes, #1,074 of 2,994 launches that month and more than 75% of that year's launches.

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In plain words

IdBloc is a web application that generates random, untraceable email addresses for users to sign up for websites and services. Instead of using the same email address across multiple platforms, users can create unique forwarding addresses that send messages to their real inbox. This approach reduces security and privacy risks by preventing email tracking across websites and limiting information exposure if credentials are compromised. The service is designed for anyone wanting to protect their identity while signing up for various online services and mailing lists.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Hi HN! I've been thinking about how we use password generators to create a unique password for every login to increase security, but most of us use the same email address as the login identifier on every website and mailing list out there. It's a big privacy and security hole that isn't easily plugged (e.g. anyone…

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