MailScanner 4.84.6-1 + postfix 2.6.6-6 on CentOS 6.6 not checking filename/filetype rules

[Viorel Robu]

Hi all,

MailScanner is configured to run as postfix:postfix. 

Run As User = postfix
Run As Group = postfix

Checked after start:

[root at srv-smtp conf.d]# ps axu | grep MailScanner
postfix  10381  0.0  1.8 205784 35060 ?        Ss   13:14   0:00 MailScanner: master waiting for children, sleeping
postfix  10382  0.1  4.8 305000 92380 ?        S    13:14   0:04 MailScanner: waiting for messages
root     11635  0.0  0.0 103252   840 pts/6    S+   14:10   0:00 grep MailScanner

I double-checked permission and ownership of every directory and file in /var/spool/postfix and /var/spool/MailScanner.
But I can't figure out why MailScanner is not executing file name & file type checking of attachments.
I found a strange behavior: if I stop it and then run it in this manner:
/etc/init.d/MailScanner startin
/etc/init.d/MailScanner startout

sudo -u postfix -g postfix /usr/sbin/MailScanner /etc/MailScanner/MailScanner.conf
it starts acting as is supposed to. 
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