Queria saber si me podrian decir que es esto y como solucionarlo


Warnings
--------
postfix-script (total: 24)
6 not owned by root: /opt/zimbra/postfix-2.7.7.3z/conf/main.cf
6 not owned by root: /opt/zimbra/postfix-2.7.7.3z/conf/master.cf....
6 not owned by root: /opt/zimbra/postfix-2.7.7.3z/conf/master.cf.in
6 not owned by root: /opt/zimbra/postfix-2.7.7.3z/conf/master.cf
smtp (total: 11)
7 relayhost configuration problem
2 host 127.0.0.2[127.0.0.2]:25 greeted me with my own hostname ma...
2 host 127.0.0.2[127.0.0.2]:25 replied to HELO/EHLO with my own h...
smtpd (total: 19)
5 64.20.227.133: address not listed for hostname recover.mxtoolbo...
5 64.76.9.173: hostname 64-76-9-173.static.impsat.net.ar verifica...
2 182.68.132.106: hostname ABTS-North-Dynamic-106.132.68.182.airt...
2 network_biopair_interop: error reading 5 bytes from the network...
1 113.160.196.107: address not listed for hostname static.vdc.vn
1 190.172.143.166: hostname 190-172-143-166.speedy.com.ar verific...
1 64.76.9.173: address not listed for hostname 64-76-9-173.static...
1 14.99.36.246: hostname Static-246.36.99.14.tataidc.co.in verifi...
1 190.172.81.81: hostname 190-172-81-81.speedy.com.ar verificatio...

gracias