merging pull-request #187, set log format for dovecot in froxlor config and updated German translations

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

templates/misc/configfiles/debian_squeeze/dovecot/etc_dovecot_dovecot.conf

@@ -16,14 +16,30 @@ disable_plaintext_auth = no
 
 protocol imap {
 	mail_plugins = quota imap_quota
+	# IMAP logout format string:
+	#  %i - total number of bytes read from client
+	#  %o - total number of bytes sent to client
+	imap_logout_format = in=%i out=%o
 }
 
 protocol pop3 {
     # leave this uncommented if you are migrating from Courier also see Migration from Courier
     pop3_uidl_format = UID%u-%v
     mail_plugins = quota
-    
+    # POP3 logout format string:
+	# %i - total number of bytes read from client
+	# %o - total number of bytes sent to client
+	# %t - number of TOP commands
+	# %p - number of bytes sent to client as a result of TOP command
+	# %r - number of RETR commands
+	# %b - number of bytes sent to client as a result of RETR command
+	# %d - number of deleted messages
+	# %m - number of messages (before deletion)
+	# %s - mailbox size in bytes (before deletion)
+	# %u - old/new UIDL hash. may help finding out if UIDLs changed unexpectedly
+	pop3_logout_format = in=%i out=%o top=%t/%p retr=%r/%b del=%d/%m size=%s
 }
+
 protocol lda {
     # postmaster is the one in charge of the mail system. MUST be set to a valid address!
     postmaster_address = postmaster@<SERVERNAME>