[wp-trac] [WordPress Trac] #64379: Emails not sending from Woocommerce since upgrade to wordpres 6.9

WordPress Trac noreply at wordpress.org
Mon Dec 8 15:59:53 UTC 2025


#64379: Emails not sending from Woocommerce since upgrade to wordpres 6.9
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 Reporter:  bredamcguigan  |      Owner:  (none)
     Type:  defect (bug)   |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  General        |    Version:  6.9
 Severity:  major          |   Keywords:  needs-testing
  Focuses:                 |
---------------------------+-----------------------------
 Hi
 I have a number of websites running woocommerce, I ran the update to
 wordpress 6.9 on a number of them and since the upgrade the emails from
 woocommerce stop sending and I see this message on my mail log. Could not
 instantiate mail function.

 After comparing to sites that had no problems I found that when I rolled
 back to version 6.8.3 the emails started working again.
 Can you test this please?

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Ticket URL: <https://core.trac.wordpress.org/ticket/64379>
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