{
# memory limit to catch any memory leak before it kills the system
my $MIN_MEMORY_LIMIT = 40000000;

# The MIN_MEMORY_LIMIT is returned unless the DB variable is defined and greater than MIN_MEMORY_LIMIT
my $limit = $pop3{MemLimit} || $MIN_MEMORY_LIMIT;
$limit = $MIN_MEMORY_LIMIT if $limit < $MIN_MEMORY_LIMIT;
$OUT = "MEM=$limit";
}