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Home/ Questions/Q 3961256
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Editorial Team
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Editorial Team
Asked: May 20, 20262026-05-20T02:57:12+00:00 2026-05-20T02:57:12+00:00

I have the following code which (I think) will only verify the domain of

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I have the following code which (I think) will only verify the domain of the email address.

$EmailAddress = "user@domain.com";

list($User, $Domain) = explode("@", $EmailAddress);
$DomainExists = checkdnsrr($Domain, 'MX');
if($DomainExists==true){
    // Email domain exists
}
else{
    // Email domain does not exist
}

If I can, how do I verify the $User part?

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  1. Editorial Team
    Editorial Team
    2026-05-20T02:57:13+00:00Added an answer on May 20, 2026 at 2:57 am

    The only guaranteed way to make sure user@example.com exists is sending them an e-mail with a verification link.

    Here’s another post on how to do that: Easiest way for PHP email verification link

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