# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/simfs 25G 25G 0 100% /
# du -sh
3.9G .

##</code><code>##

KiB Mem:   1048576 total,   380264 used,   668312 free,        0 buffers
KiB Swap:   262144 total,    81204 used,   180940 free.    33856 cached Mem
  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND
 5140 apache    20   0  239888   2348   1756 R 17.3  0.2 144:42.67 httpd
14980 apache    20   0   30840   1884   1228 S 15.6  0.2 153:43.94 bounced.cgi

##</code><code>##

#!/usr/bin/perl

use strict;
use warnings;
use CGI;
use CGI::Carp qw(fatalsToBrowser);

my $q = new CGI;

print $q->header;
print $q->start_html('Bounce summary');

my @files = </home/user/Maildir/cur/*>;
for (@files){
    open(IN, $_);
    while (<IN>) {
        last if /The mail system/;
    }
    while (<IN>) {
        if (m#/domain.com$#) {
            print '<p>';
            last;
        }
        s/</&lt/g;
        print;
    }
    close IN;
}

print $q->end_html;

##</code><code>##

Nov 19 10:38:44 systemd: httpd.service stopping timed out. Killing.
Nov 19 10:38:44 systemd: httpd.service: main process exited, code=killed, status=9/KILL
Nov 19 10:38:44 systemd: Unit httpd.service entered failed state.

##</code><code>##

#!/usr/bin/perl
sleep 1 while 1;