Validate email address format and syntax according to RFC standards. Check single emails or validate in bulk.
user@example.com
user.name@example.co.uk
user+tag@example.org
user_name@sub.example.com
user@ (нет домена)
@example.com (нет локальной части)
user@example (нет TLD)
user name@example.com (пробел)
Can contain letters, numbers, dots, hyphens, underscores, and plus signs. Cannot start or end with a dot.
Must be a valid domain name with at least one dot. Can contain letters, numbers, and hyphens.
Must be at least 2 characters. Common TLDs include .com, .org, .net, and country codes like .uk, .de, .ru.