[wp-trac] [WordPress Trac] #64368: `Could not instantiate mail function` errors sending mail in 6.9

[WordPress Trac]

#64368: `Could not instantiate mail function` errors sending mail in 6.9
--------------------------+-----------------------
 Reporter:  desrosj       |       Owner:  SirLouen
     Type:  defect (bug)  |      Status:  accepted
 Priority:  normal        |   Milestone:  6.9.1
Component:  Mail          |     Version:  6.9
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by SergeyBiryukov):

 In [changeset:"61468" 61468]:
 {{{
 #!CommitTicketReference repository="" revision="61468"
 External Libraries: Upgrade PHPMailer to version 7.0.2.

 The latest version:
 * Includes a fix for `sendmail` parameter problems in WordPress.
 * Reduces memory consumption when sending large attachments.

 References:
 * [https://github.com/PHPMailer/PHPMailer/releases/tag/v7.0.2 PHPMailer
 7.0.2 release notes]
 * [https://github.com/PHPMailer/PHPMailer/compare/v7.0.0...v7.0.2 Full
 list of changes in PHPMailer 7.0.2]

 Follow-up to [54937], [55557], [56484], [57137], [59246], [59481],
 [60623], [60813], [60888], [61249].

 Props SirLouen, robinvandervliet, desrosj, siliconforks, digitalblanket,
 studiomondiale, jorbin, westonruter, dmsnell, zoe20, Monarobase,
 amanandhishoe, SergeyBiyrukov.
 Fixes #64491. See #64368.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64368#comment:73>
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