diff -up postfix-2.7.0/conf/main.cf.config postfix-2.7.0/conf/main.cf
--- postfix-2.7.0/conf/main.cf.config	2007-12-18 14:50:25.000000000 +0100
+++ postfix-2.7.0/conf/main.cf	2010-02-26 12:28:14.000000000 +0100
@@ -113,6 +113,10 @@ mail_owner = postfix
 #inet_interfaces = all
 #inet_interfaces = $myhostname
 #inet_interfaces = $myhostname, localhost
+inet_interfaces = localhost
+
+# Enable IPv4, and IPv6 if supported
+inet_protocols = all
 
 # The proxy_interfaces parameter specifies the network interface
 # addresses that this mail system receives mail on by way of a
@@ -157,7 +161,7 @@ mail_owner = postfix
 #
 # See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
 #
-#mydestination = $myhostname, localhost.$mydomain, localhost
+mydestination = $myhostname, localhost.$mydomain, localhost
 #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
 #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain,
 #	mail.$mydomain, www.$mydomain, ftp.$mydomain
@@ -379,7 +383,7 @@ unknown_local_recipient_reject_code = 55
 # "postfix reload" to eliminate the delay.
 #
 #alias_maps = dbm:/etc/aliases
-#alias_maps = hash:/etc/aliases
+alias_maps = hash:/etc/aliases
 #alias_maps = hash:/etc/aliases, nis:mail.aliases
 #alias_maps = netinfo:/aliases
 
@@ -390,7 +394,7 @@ unknown_local_recipient_reject_code = 55
 #
 #alias_database = dbm:/etc/aliases
 #alias_database = dbm:/etc/mail/aliases
-#alias_database = hash:/etc/aliases
+alias_database = hash:/etc/aliases
 #alias_database = hash:/etc/aliases, hash:/opt/majordomo/aliases
 
 # ADDRESS EXTENSIONS (e.g., user+foo)
@@ -458,7 +462,27 @@ unknown_local_recipient_reject_code = 55
 #
 # Cyrus IMAP over LMTP. Specify ``lmtpunix      cmd="lmtpd"
 # listen="/var/imap/socket/lmtp" prefork=0'' in cyrus.conf.
-#mailbox_transport = lmtp:unix:/var/imap/socket/lmtp
+#mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
+
+# If using the cyrus-imapd IMAP server deliver local mail to the IMAP
+# server using LMTP (Local Mail Transport Protocol), this is prefered
+# over the older cyrus deliver program by setting the
+# mailbox_transport as below:
+#
+# mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp
+#
+# The efficiency of LMTP delivery for cyrus-imapd can be enhanced via
+# these settings.
+#
+# local_destination_recipient_limit = 300
+# local_destination_concurrency_limit = 5
+#
+# Of course you should adjust these settings as appropriate for the
+# capacity of the hardware you are using. The recipient limit setting
+# can be used to take advantage of the single instance message store
+# capability of Cyrus. The concurrency limit can be used to control
+# how many simultaneous LMTP sessions will be permitted to the Cyrus
+# message store. 
 #
 # Cyrus IMAP via command line. Uncomment the "cyrus...pipe" and
 # subsequent line in master.cf.
@@ -475,8 +501,7 @@ unknown_local_recipient_reject_code = 55
 # the main.cf file, otherwise the SMTP server will reject mail for    
 # non-UNIX accounts with "User unknown in local recipient table".
 #
-#fallback_transport = lmtp:unix:/file/name
-#fallback_transport = cyrus
+#fallback_transport = lmtp:unix:/var/lib/imap/socket/lmtp
 #fallback_transport =
 
 # The luser_relay parameter specifies an optional destination address
diff -up postfix-2.7.0/conf/master.cf.config postfix-2.7.0/conf/master.cf
--- postfix-2.7.0/conf/master.cf.config	2010-02-03 22:01:27.000000000 +0100
+++ postfix-2.7.0/conf/master.cf	2010-02-26 12:31:55.000000000 +0100
@@ -80,14 +80,14 @@ scache    unix  -       -       n       
 # Also specify in main.cf: cyrus_destination_recipient_limit=1
 #
 #cyrus     unix  -       n       n       -       -       pipe
-#  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
+#  user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
 #
 # ====================================================================
 #
 # Old example of delivery via Cyrus.
 #
 #old-cyrus unix  -       n       n       -       -       pipe
-#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
+#  flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
 #
 # ====================================================================
 #