[smokeping-users] Target sort order random

[lhecking at users.sourceforge.net]

 I was wondering, can this list be configured to filter out html and other
 rubbish. This is really taking the piss.

  I     1 <no description>                        [multipa/related, 7bit, 20K]
  I     2 |-><no description>                 [multipa/alternativ, 7bit, 7.9K]
  I     3 | |-><no description>           [text/plain, quoted, us-ascii, 1.0K]
  I     4 | `-><no description>            [text/html, quoted, us-ascii, 6.5K]
  I     5 |->image001.gif                            [image/gif, base64, 1.7K]
  I     6 |->image002.gif                            [image/gif, base64, 2.0K]
  I     7 |->image003.gif                            [image/gif, base64, 1.9K]
  I     8 |->image004.gif                            [image/gif, base64, 1.9K]
  I     9 |->image005.gif                            [image/gif, base64, 1.8K]
  I    10 `->image006.gif                            [image/gif, base64, 1.8K]
  I    11 <no description>                  [text/plain, 7bit, us-ascii, 0.2K]