Index: mail/univention-mail-dovecot/conffiles/etc/dovecot/conf.d/10-mail.conf
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- mail/univention-mail-dovecot/conffiles/etc/dovecot/conf.d/10-mail.conf	(revision e06f04a18fd8f51df9baaaab812802937ba70a5d)
+++ mail/univention-mail-dovecot/conffiles/etc/dovecot/conf.d/10-mail.conf	(revision dfbee60ddaf59672dab67f03811e584cea46dd76)
@@ -34,7 +34,9 @@
 	index = ":INDEX=/var/lib/dovecot/index/%Ld/%Ln"
 else:
 	index = ""
-print "mail_location = maildir:/var/spool/dovecot/private/%%Ld/%%Ln/Maildir%s" % index
+
+mail_format = configRegistry.get("mail/dovecot/location/mailbox_format", "Maildir")
+print "mail_location = %s:/var/spool/dovecot/private/%%Ld/%%Ln/%s%s" % (mail_format.lower(), mail_format, index)
 @!@
 mail_home = /var/spool/dovecot/private/%Ld/%Ln
 
Index: mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry	(revision dfbee60ddaf59672dab67f03811e584cea46dd76)
+++ mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry	(revision f9e2ee638b427e6e31798bd97476dc3f8512afb0)
@@ -55,6 +55,7 @@
 Variables: mail/dovecot/internal/sharedfolders
 Variables: mail/dovecot/mailbox/share_keywords
 Variables: mail/dovecot/location/separate_index
+Variables: mail/dovecot/location/mailbox_format
 
 Type: file
 File: etc/dovecot/conf.d/10-master.conf
Index: mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry-variables
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry-variables	(revision dfbee60ddaf59672dab67f03811e584cea46dd76)
+++ mail/univention-mail-dovecot/debian/univention-mail-dovecot.univention-config-registry-variables	(revision f9e2ee638b427e6e31798bd97476dc3f8512afb0)
@@ -234,6 +234,12 @@
 Type=bool
 Categories=service-mail
 
+[mail/dovecote/location/mailbox_format]
+Description[de]=Bestimmt das genutzte Mailbox Format. Bei "sdbox" oder "mdbox" wird Dovecot's eigenes performantes Format single-dbox oder multi-dbox verwendet. Standard ist "Maildir".
+Description[en]=Defines the used mailbox format. With "sdbox" or "mdbox" Dovecot's  high-performance format single-dbox or multi-dbox will be used. Defaults to "Maildir".
+Type=str
+Categories=service-mail
+
 [mail/dovecot/logging/ldap_debug_level]
 Description[de]=Debug-Level der LDAP-Bibliotheksaufrufe. Standard ist 0.
 Description[en]=LDAP library debug level. Defaults to 0.