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 %$}

templates/Fedora/35/etc/dovecot/local.conf

@@ -0,0 +1,6 @@
+!include conf.d/auth-sql.conf.ext
+mail_location = maildir:/var/spool/mail/%d/%n
+mail_privileged_group = mail
+first_valid_uid = 0
+mail_uid = mail
+mail_gid = mail