A - Your alias file is located
here:
/home/virtual/domainname/etc/aliases
B - Add your email pipe as
follows:
support:
"|/home/username/public_html/clientexec/SupportPipe.php"
NOTE: "support"
= your entry in admin -> settings -> support -> Support
Email:
C - chmod SupportPipe.php to 755
NOTE : DO NOT CREATE POP
ACCOUNTS FOR THE ALIASES.