This is a maintenance and feature release, adding support for the official release of PHP 8.3, methods for removing and replacing custom headers, XCLIENT support, and links to a new way of implementing XOAUTH2 authentication.
The only change likely to have any impact on existing code is that PHPMailer previously attempted to use opportunistic STARTTLS encryption when connecting to localhost, which was unlikely to work. The workaround required setting SMTPAutoTLS = false, but that's no longer required. You may still need to use this setting when connecting to literal IPs.
Changes
Add support for official release of PHP 8.3, add experimental support for PHP 8.4
Add clearCustomHeader and replaceCustomHeader methods
Add support for the XCLIENT SMTP extension with setSMTPXclientAttribute and getSMTPXclientAttributes methods
Don't attempt opportunistic TLS when connecting to localhost
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Bumps phpmailer/phpmailer from 6.8.1 to 6.9.1.
Release notes
Sourced from phpmailer/phpmailer's releases.
Changelog
Sourced from phpmailer/phpmailer's changelog.
Commits
039de17
6.9.13190bef
CSd327514
Merge pull request #2985 from decomplexity/patch-1934f852
PHPMailer 6.9.01a7d9e3
Suggest SendOauth2 packagebffe290
Update readme for XOAUTH2 changese443047
Don't need this to demo xoauthd5615bf
Merge pull request #2986 from frankforte/custom-headers8a91dd6
Code formatting for custom header methods.b0ffd67
Update replaceCustomerHeader to remove duplicates. Improve clearCustomHeader ...Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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