[Dovecot] High CPU Usage with 2.2

[Odhiambo Washington]

I am seeing a rather high CPU usage with 2.2 now:

last pid: 30725;  load averages:  4.58, 27.36,
25.49
up 0+15:36:12  16:02:53
103 processes: 4 running, 98 sleeping, 1 zombie
CPU: 34.5% user,  0.0% nice, 65.4% system,  0.2% interrupt,  0.0% idle
Mem: 602M Active, 1767M Inact, 254M Wired, 6116K Cache, 112M Buf, 490M Free
Swap: 5900M Total, 5900M Free

  PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU
COMMAND
30569 mailnull         1 112    0  4956K  2784K RUN     0   1:27 68.65% pop3
30704 mailnull         1 108    0  4956K  2876K CPU0    0   0:10 57.37% pop3
30712 mailnull         1 106    0  4944K  2780K RUN     1   0:07 45.26% pop3
30636 root             1  44    0  3696K  1784K CPU1    1   0:00  0.10% top


My entire configuration - http://pastebin.com/XGZb5kKN


-- 
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254733744121/+254722743223
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I can't hear you -- I'm using the scrambler.