akonadi-backend-mysql - 4:22.12.3-1 main

Akonadi is an extensible cross-desktop Personal Information Management (PIM)
storage service. It provides a common framework for applications to store and
access mail, calendars, addressbooks, and other PIM data.
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This package installs everything what's needed for Akonadi to work with MySQL
as underlying data storage engine. By default, a local MySQL server instance
will be started for each user. Alternatively, connection to an external MySQL
database is supported as well.