[Web] Feature: Allow app passwords for imap/smtp, allow to set acl permission for app passwords (domain admin [when logged in as user] and user)

data/conf/dovecot/dovecot.conf

@@ -45,12 +45,25 @@ recipient_delimiter = +
 auth_master_user_separator = *
 mail_shared_explicit_inbox = yes
 mail_prefetch_count = 30
+# try a master passwd
 passdb {
   driver = passwd-file
   args = /etc/dovecot/dovecot-master.passwd
   master = yes
   pass = yes
+  result_failure = continue
+  result_internalfail = continue
 }
+# try an app passwd
+passdb {
+  args = /etc/dovecot/sql/dovecot-dict-sql-app-passdb.conf
+  driver = sql
+  pass = yes
+  result_failure = continue
+  result_internalfail = continue
+}
+# check for regular password - if empty (e.g. force-passwd-reset), previous pass=yes passdbs also fail
+# a return of the following passdb is mandatory
 passdb {
   args = /etc/dovecot/sql/dovecot-dict-sql-passdb.conf
   driver = sql