[wp-trac] [WordPress Trac] #47467: is_email and PHPMailer validateAddress() method does not match

[WordPress Trac]

#47467: is_email and PHPMailer validateAddress() method does not match
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 Reporter:  ggPixel       |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Mail          |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Sorry if this is not meant to be posted here.

 Before sending an email using **wp_mail()**, I check email addresses with
 **is_email()** to make sure its valid. It kept on failing with PHPMailer
 returning an error ''"You must provide at least one recipient email
 address"'' even though **is_email()** returns a valid email address. After
 some investigation I realised that PHPMailer does its own validation on
 emails and it failed.

 In my case the email that failed had a dot in front of the @ symbol
 (test. at gmail.com).

 My questions is, shouldn't is_email() and PHPMailer's validateAddress()
 method work the same?

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Ticket URL: <https://core.trac.wordpress.org/ticket/47467>
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