Email Address Generator Autor: TriLinder

An add-on for generating unique email aliases for a domain with a catch-all email address set-up.

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The email addresses are generated in the following format:

<site-identifier>.<encoded-timestamp><format-version>@<email-domain>


Components:

1. Site identifier:
   
   • Derived from the hostname of the current site
   • Dots are replaced with hyphens
   • The www. prefix is removed
   • Example: https://www.mail.google.com → mail-google-com


2. Encoded timestamp:
   
   • Represents the time the email address was generated in seconds since May 1st, 2024 00:00 UTC
   • The value is encoded into a string using this alphabet abcdefghijklmnopqrstuvwxyz0123456789_
   • 
const ALPHABET = "abcdefghijklmnopqrstuvwxyz0123456789_";

function encodeTimestamp(num) {
let encoded = "";

while (num > 0) {
encoded = ALPHABET[num % ALPHABET.length] + encoded;
num = Math.floor(num / ALPHABET.length);
}

return encoded;
}

function decodeTimestamp(encoded) {
let decoded = 0;

for (let i = 0; i < encoded.length; i++) {
let charIndex = ALPHABET.indexOf(encoded[i]);
decoded = decoded * ALPHABET.length + charIndex;
}

return decoded;
}

     


3. Format version identifier:
   
   • Current value: a
   • Subject to change in the future (allows future extensions to the format)


4. Email domain:
   
   • Your email domain
   • Set in the extension's options page

Example of an email address: mail-google-com.d2l8da@example.com

The code for generating addresses can be found here (in the generate-address.js file).