Changes between Initial Version and Version 5 of Ticket #43542
- Timestamp:
- 05/05/2018 10:32:49 AM (7 years ago)
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Ticket #43542
- Property Keywords needs-patch good-first-bug reporter-feedback 2nd-opinion added
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Ticket #43542 – Description
initial v5 1 1 Issue: Duplicate "MIME-Version" header information can be sent via pluggable.php and class-phpmailer.php via plugins, causing the mail to fail to be delivered when using a service like AWS SMTP that rejects this duplicate header element. 2 2 3 I see that this issue has been reported in the past but closed as an invalid bug (e.g. https://core.trac.wordpress.org/ticket/22492 from 5 years ago). But I argue that that may not be the correct conclusion.3 I see that this issue has been reported in the past but closed as an invalid bug (e.g. #22492 from 5 years ago). But I argue that that may not be the correct conclusion. 4 4 5 5 Wordpress plugin developer guidance on the use of wp_mail() doesn't prohibit including MIME-Version in $headers , and does otherwise offer to "build the proper Mime header automagically". I have read an argument online that it may be proper for the plugin to build out the full header including the mandatory MIME-Version in the event the administrator has configured their site to use a different email service besides WP/PHP, though I haven't substantiated that fully.