[toaster] simscan: error code 54

Dear All, I got this error from certain email, after investigating on simscan.c #define EXIT_54 54 /* Unable to read the message or envelope. */ so this is qmail-queue error, How to fix this problem? Thanks In Advance

[toaster] SimScan Error Code 54

Hi All, I need to understand this error code below simscan: exit error code: 54 I also need to set quarantine directory for simscan can someone guide me on creating it. Thanks In Advance.