[wp-trac] [WordPress Trac] #33037: Mail not being send in PHP 5.5.25 and 5.6.9 /PCRE 8.36

[WordPress Trac]

#33037: Mail not being send in PHP 5.5.25 and 5.6.9 /PCRE 8.36
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 Reporter:  jrf           |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Mail          |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by jrf):

 > @jrf Does this only happen with PHPMailer 5.2.10

 No, it does not. The original blogpost which brought this to my attention
 is from a PHP dev who is/was using 4.2, now 4.2.2 which contains PHPMailer
 5.2.7.
 Also, I checked the commits in PHPMailer before filing this report and
 that particular regex has not been changed since 2013:
 https://github.com/PHPMailer/PHPMailer/blame/master/class.phpmailer.php#l1000

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Ticket URL: <https://core.trac.wordpress.org/ticket/33037#comment:3>
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