Php Repack | Validate Email Domain

// Extract domain $domain = substr(strrchr($email, "@"), 1);

// Check if recipient accepted (code 250) return strpos($response, "250") !== false; class EmailDomainValidator private $blacklist = [ 'mailinator.com', 'guerrillamail.com', '10minutemail.com' ]; private $whitelist = [ 'gmail.com', 'yahoo.com', 'outlook.com' ]; validate email domain php

// Cache validation results to avoid repeated DNS lookups function cachedDomainValidation($email) checkdnsrr($domain, "A"); $cache[$domain] = $result; // Extract domain $domain = substr(strrchr($email, "@"), 1);

// Usage $email = "user@gmail.com"; if (validateEmailDomain($email)) echo "Valid domain!"; else echo "Invalid or non-existent domain."; // Extract domain $domain = substr(strrchr($email

return false;

// Usage $validator = new EmailDomainValidator(); if ($validator->validate("user@mailinator.com")) echo "Valid"; else echo "Invalid or blacklisted domain";