I've got this problem too: # snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.2021.53.101.0 UCD-SNMP-MIB::ucdavis.53.101.0.1.1 = INTEGER: 1 UCD-SNMP-MIB::ucdavis.53.101.0.2.1 = STRING: "mailq" UCD-SNMP-MIB::ucdavis.53.101.0.3.1 = STRING: "/usr/local/bin/getmailq.sh" UCD-SNMP-MIB::...