Enable MySQL user accounts

templates/Fedora/35/etc/dovecot/dovecot-sql.conf.ext

@@ -0,0 +1,8 @@
+{% if dovecot_mysql_server is defined and dovecot_mysql_database is defined and dovecot_mysql_username is defined and dovecot_mysql_password is defined %}
+driver = mysql
+connect = host={{ dovecot_mysql_server }} dbname={{ dovecot_mysql_database }} user={{ dovecot_mysql_username }} password={{ dovecot_mysql_password }}
+default_pass_scheme = SHA512-CRYPT
+password_query = SELECT email AS user, password FROM virtual_users WHERE email='%u';
+user_query = SELECT email AS user FROM virtual_users WHERE email='%u';
+iterate_query = SELECT email AS user FROM users;
+{% endif %$}