[wp-trac] [WordPress Trac] #64367: Upgrade to WordPress core 6.9 from 6.8.3 causes WooCommerce email failure?

[WordPress Trac]

#64367: Upgrade to WordPress core 6.9 from 6.8.3 causes WooCommerce email failure?
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 Reporter:  philipg100         |       Owner:  (none)
     Type:  defect (bug)       |      Status:  closed
 Priority:  normal             |   Milestone:
Component:  Mail               |     Version:  6.9
 Severity:  normal             |  Resolution:  duplicate
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by SirLouen):

 @philipg100 please check #64368

 It's not directly related to WordPress itself, but WP incorporates the
 library that is causing this conflict. In 6.9 there was a new improvement
 that "enabled" this bug in PHPMailer. The problem is that this issue was
 not covered in the PHPMailer tests, so basically it completely flew below
 our testing radars.

 If the fix that @desrosj provided works for you, this will be fixed by the
 next release, and you will be able to remove that temporary fix.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64367#comment:10>
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