How to Validate an Email Address (By Domain) Using PHP

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How can I validate an email address (by domain) using PHP? Here’s how:

Here’s the class that does all the heavy lifting and an example page for including and using the class:

These are the exact steps for using this:

  1. Include/require class-validate-email.php into your application or web page.
  2. Instantiate a new instance of the validate_email class.
  3. Pass the email address to the validate_email::validate_by_domain() method.

If you get value from this code snippet, please consider sharing it with another developer or group who could benefit from it.

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John Morris

JOHN MORRIS

I’m a 15-year veteran of freelance web development. I’ve worked with bestselling authors and average Joe’s next door. These days, I focus on helping other freelancers build their freelance business and their lifestyles.

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