* feat(server): Option to configure SMTPS transport
This commit adds a boolean option in the SMTP transport configuration to
enable the so-called "secure" mode. What it does is use SMTP over TLS
instead of relying on the more common STARTTLS option over plain SMTP.
* Add missing field in dto
* Add missing field
* Use a switch instead of text field
* Add field in spec
* chore: regen open-api
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Co-authored-by: Jason Rasmussen <jason@rasm.me>
