Tell me, please, what is the verification option or a ready-made widget for the entered email in input (for example, to skip gmail.com and not skip non-existent)?

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    w3schools.com/php/php_form_url_email.asp , but in any case, there is only one reliable way to check your mail - send an email and wait for a response. - KoVadim
  • Need to check mail or just the existence of a mail domain? in the second case, it suffices to check the presence of the MX record in the zone ... of the type $result = dns_get_record($hostname, DNS_MX) - Akina
  • At the same time look at the comments - to dns_get_record () and to getmxrr (). - Akina

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