&SNMP::addMibDirs("FULL_PATH/mibs");
&SNMP::loadModules("IRONPORT-SMI","ASYNCOS-MAIL-MIB");

##</code><code>##

Cannot find module (IRONPORT-SMI): At line 0 in (none)
Cannot find module (ASYNCOS-MAIL-MIB): At line 0 in (none)

##</code><code>##

stat64("./mibs/.index" ... -1 ENOENT 
open("./mibs" ... = -1 ENOENT 
write(2, "Cannot find module (IRONPORT-SMI"...
write(2, "Cannot find module (ASYNCOS-MAIL"...

##</code><code>##

stat64("FULL_PATH/mibs/.index" ... = 0
stat64("FULL_PATH/mibs" ... = 0
open("FULL_PATH/mibs/.index" ... = 3