I often recieve this error. and the user never recieve the mail. Mail sample. ********************************************************** This is the Postfix program at host solutux.xxxxxxxx.xxx. I'm sorry to have to inform you that your message could not bebe delivered to one or more recipients. It's attached below. For further assistance, please send mail to <postmaster> If you do so, please include this problem report. You candelete your own text from the attached returned message. The Postfix program <[email protected]> (expanded from [email protected]>): Command time limit exceeded: "/usr/bin/procmail -f-". Command output: /bin/sh: line 1: let: HD_QUOTA=*1024: syntax error: operand expected (error token is "*1024") /bin/sh: line 2: [: !=: unary operator expected LibClamAV Warning: ******************************************************** LibClamAV Warning: *** This version of the ClamAV engine is outdated. *** LibClamAV Warning: *** DON'T PANIC! Read http://www.clamav.net/faq.html *** LibClamAV Warning: ********************************************************