Deferred: 451 4.3.5 Requested action aborted: local error processing

[ehammons1]

incoming-slow queue backed up and all mail was showing "Deferred: 451 4.3.5 Requested action aborted: local error processing"

rebooted of fortimail resolved

I need to see if I can prevent this from happening in the future

[ehammons1]

My issue seemed to be related to a drive where temp and log files were going on my mail server filling up and this error was what fortimail came back with when it couldnt process