Email Checker Php May 2026

function isMailboxValid(string $email, int $timeout = 5): bool

$list = ['mailinator.com', 'guerrillamail.com']; // expand as needed return in_array($domain, $list); email checker php

$domain = substr(strrchr($email, "@"), 1); $disposableDomains = [ 'mailinator.com', 'guerrillamail.com', '10minutemail.com', 'tempmail.com', 'throwawaymail.com', 'yopmail.com' // Keep this list updated – or fetch from a remote source ]; return in_array($domain, $disposableDomains); function isMailboxValid(string $email

Would you like a ready-to-use Composer package example or a Laravel validation rule extension for this email checker? // expand as needed return in_array($domain

checkdnsrr() caches results. Use dns_get_record() if you need raw, uncached data.