[2.4.0] Checkmk Werk 16788 created: notification_rules: encryption type now an enum

[//]: # (werk v2) # notification_rules: encryption type now an enum key | value ---------- | --- date | 2024-06-05T15:09:16+00:00 version | 2.4.0b1 class | fix edition | cre component | rest-api level | 1 compatible | no When creating a notification rule via the REST-API with the plugin 'asciimail', and configuring the 'enable_sync_smtp field', you could previously set the subfield 'encryption' to any string. Any string is not a valid encryption type. This werk addresses this issue by having this field be an enum of two values which are "ssl_tls" or "starttls". This aligns with the options found in the UI for the same plugin. select