For some reason snmp and mta will not startup on the system. When I run zmcontrol start my ouput is this:

Starting mailbox...Done.
Starting imapproxy...Done.
Starting antispam...Done.
Starting antivirus...Done.
Starting snmp...Done.
Starting mta...FAILED
postsuper: fatal: scan_dir_push: open directory defer: Permission denied
postfix failed to start


Starting stats...Done.


any ideas?