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Question Plesk supports certificate verification through a supported setting rather than editing a generated file manually.

bosse1

New Pleskian
Server operating system version
Debian 13
Plesk version and microupdate number
18.0.80
Plesk Obsidian 18.0.80 on Debian 13 with the MSMTP relay-only component generates /etc/msmtprc
through /usr/local/psa/admin/sbin/msmtpmng, which hardcodes tls_certcheck off.

Is there a supported persistent method to enable MSMTP server certificate verification, such as a panel.ini setting, configuration override/drop-in file, template, or supported CLI parameter, that survives regeneration and Plesk upgrades?
 
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