Do not send mail

[alex_fear]

Do not send mail by means of php mail ()
letters hangs in the queue .
log file
Oct 6 00:41:12 VM1 send: delivery 13 : deferral: Connected_to_217.69.139.150_but_my_name_was_rejected. / Remote_host_said: _500_Syntax_error /
Oct  6 00:35:47 VM1 send: delivery 5: failure: Sorry,_I_couldn't_find_any_host_named_VM1.VM1._(#5.1.2)/
Oct  6 01:12:36 VM1 send: delivery 2: deferral: Connected_to_94.100.180.150_but_my_name_was_rejected./Remote_host_said:_500_Syntax_error/

[MRatWork]

Inform here your 'sh /script/sysinfo; hostname; hostname -s'.

[alex_fear]

[root@VM1 ~]# sh /script/sysinfo; hostname; hostname -s

A. Kloxo-MR: 7.0.0.b-2015092401
   - Web: hiawatha-9.14.0-f.6.mr.el6.x86_64
   - PHP: php54s-5.4.44-1.ius.el6 (cgi mode)
B. Plateform:
   - OS: CentOS release 6.7 (Final) x86_64
   - Hostname: VM1
C. Services:
   1. MySQL: MariaDB-server-10.0.20-1.el6.x86_64
   2. PHP:
      - Branch: php54-cli-5.4.45-1.ius.el6.x86_64
      - Multiple:
        * php52m-5.2.17-102.mr.el6
        * php53m-5.3.29-1.ius.el6
        * php54m-5.4.44-1.ius.el6
        * php55m-5.5.28-1.ius.el6
        * php56m-5.6.12-1.ius.el6
      - Used: php56m
   3. Httpd: httpd-2.2.31-1.mr.el6.x86_64
      - PHP Type: php-fpm_event
   4. Lighttpd: --uninstalled--
   5. Hiawatha: --unused--
   6. Nginx: --uninstalled--
   7. Cache: --uninstalled--
   8. Dns: bind-9.9.7-1.mr.el6.x86_64
   9. Qmail: qmail-toaster-1.03-1.3.55.mr.el6.x86_64
      - with: courier-imap-toaster-4.1.2-1.3.18.mr.el6.x86_64
D. Memory:
                total       used       free     shared    buffers     cached
   Mem:          2815       1450       1364         93        216        571
   -/+ buffers/cache:        662       2152
   Swap:         1999          0       1999
E. Disk Space:
   Filesystem      Size  Used Avail Use% Mounted on
   /dev/sda3        97G   14G   79G  15% /

VM1
VM1

[MRatWork]

Change your hostname from VM1 to vm1.yourdomain.com (change 'yourdomain.com' to real your domain) in /etc/sysconfig/network. After that, reboot and then run 'sh /script/cleanup'.

Better read http://forum.mratwork.com/kloxo-mr-tips-and-tricks/(tip)-how-to-setup-qmail-on-kloxo-mr/