qmailanalog report

[Jason Huang]

I use qmailanalog recently. But I don't understand why the "xdelay" is minus. Is that right ?   If it is right , what the real mean by that.   Appreciate any help .     ######## here is my analog ######### ................ ................ Completed messages: 104 Recipients for completed messages: 133 Total delivery attempts for completed messages: 195 Average delivery attempts per completed message: 1.875 Bytes in completed messages: 45428841 Bytes weighted by success: 45960852 Average message qtime (s): 1157.42   Total delivery attempts: 419   success: 105   failure: 28   deferral: 286 Total ddelay (s): 61899.111729 Average ddelay per success (s): 589.515350 Total xdelay (s): -28801.783392 Average xdelay per delivery attempt (s): -68.739340 Time span (days): 2.54319 Average concurrency: -0.131077