Code:
root@SERVERNAME [/]# tail -20 /var/log/exim_paniclog
2009-03-20 03:41:29 [21673] 1LkUfm-0005dZ-Tt spam acl condition: cannot parse spamd output
2009-03-20 04:14:52 [5055] 1LkVC6-0001JX-6h spam acl condition: cannot parse spamd output
2009-03-20 04:24:04 [7966] 1LkVL1-00024U-6b spam acl condition: cannot parse spamd output
2009-03-20 07:06:17 [2591] 1LkXs1-0000fn-Jh spam acl condition: cannot parse spamd output
2009-03-20 08:10:16 [31522] 1LkYrv-0008CQ-Hc spam acl condition: cannot parse spamd output
2009-03-20 08:26:11 [8710] 1LkZ7J-0002GU-OU spam acl condition: cannot parse spamd output
2009-03-20 09:08:03 [32317] 1LkZlr-0008PF-MO spam acl condition: cannot parse spamd output
2009-03-20 09:39:31 [13831] 1LkaGJ-0003b5-Kq spam acl condition: cannot parse spamd output
2009-03-20 09:52:42 [21401] 1LkaT4-0005ZB-Cp spam acl condition: Connection reset by peer on spamd socket
2009-03-20 10:29:28 [6241] 1Lkb2e-0001cf-9d spam acl condition: cannot parse spamd output
2009-03-20 10:40:27 [11548] 1LkbDH-00030G-6T spam acl condition: cannot parse spamd output
2009-03-20 10:50:50 [15906] 1LkbNK-00048Y-FX spam acl condition: cannot parse spamd output
2009-03-20 11:14:39 [27738] 1LkbkM-0007DO-Qf spam acl condition: cannot parse spamd output
2009-03-20 11:37:33 [6789] 1Lkc6X-0001lV-10 spam acl condition: cannot parse spamd output
2009-03-20 11:47:15 [12398] 1LkcFu-0003Dy-FK spam acl condition: cannot parse spamd output
2009-03-20 11:55:16 [16552] 1LkcNf-0004Iy-0B spam acl condition: cannot parse spamd output
2009-03-20 12:03:19 [20792] 1LkcVS-0005PM-SX spam acl condition: cannot parse spamd output
2009-03-20 12:08:40 [24304] 1Lkcad-0006K0-Ms spam acl condition: cannot parse spamd output
2009-03-20 12:15:54 [26968] 1Lkchd-00070y-W1 spam acl condition: cannot parse spamd output
2009-03-20 12:41:24 [7917] 1Lkd6K-00023h-Fm spam acl condition: cannot parse spamd output
As server load is never above 1.00 on a server with a quad-core CPU this does not seem to be normal.
According to other posts on this forum this appears to be caused by an incorrectly compiled SpamAssassin.

What's the best and easiest way to solve this?

Thanks.