diff -ur postfix-3.0.2.orig/conf/master.cf postfix-3.0.2/conf/master.cf
--- postfix-3.0.2.orig/conf/master.cf 2015-07-25 18:23:32.000000000 +0000
+++ postfix-3.0.2/conf/master.cf 2015-07-25 18:24:44.966826277 +0000
diff -ur postfix-3.0.2.orig/conf/master.cf postfix-3.0.2/conf/master.cf
--- postfix-3.0.2.orig/conf/master.cf 2015-07-25 18:23:32.000000000 +0000
+++ postfix-3.0.2/conf/master.cf 2015-07-25 18:24:44.966826277 +0000
--# flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
-+# flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
+-# flags=DRXhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
++# flags=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}