qmailanalog question

[Anonymous]

Is it normal, when using the "zuids" script in qmailanalog, to see an abnormal
ammount of messages comming from user qmaild?

mess   bytes  sbytes  rbytes  recips  tries     xdelay  uid
105  287318  307020  307020     107    107   2.140147  16
   7    3278    3278    3278       7      7  21.896689  500
   7    5710    5710    5710       7      7   6.261182  501
   1   13651   13651   13651       1      1   0.011327  503
   1     874     874     874       1      1   0.007452  507
   4    3870   11610   11610      12     13  62.494407  510
[brandon@misanthrope ~]# grep 16 /etc/passwd
qmaild:x:16:52::/var/qmail:

Thanks in advance,
Brandon