openssl_verify(): Supplied key param cannot be coerced into a public key DKIM
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@kesselb is already working on this.
Since Jun 24, 2025.
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bug
- Dominant language
- JavaScript
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Description
Steps to reproduce
Open Mail app, visit logging.
Expected behavior
No errors
Actual behavior
Opening the mail app I get the following errors in the log:
openssl_verify(): Supplied key param cannot be coerced into a public key xx/apps/mail/vendor/phpmailer/dkimvalidator/src/Validator.php#337
Undefined array key 1 at xx/apps/mail/vendor/phpmailer/dkimvalidator/src/Validator.php#52
Undefined array key 1 at xx/apps/mail/vendor/phpmailer/dkimvalidator/src/Validator.php#52
I do use dkim, but I am not aware of any configuration errors.
https://email-security-scans.org/view/v08wr4f3coiog3ps9uo8uxzcwhtgbj
Mail app version
5.1.4
Nextcloud version
31.0.6
Mailserver or service
Postfix, opendkim
Operating system
Almalinux 9.6
PHP engine version
PHP 8.3
Nextcloud memory caching
No response
Web server
Apache (supported)
Database
MariaDB
Additional info
No response
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Assessment
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