What's Going on here?

[Mike Kercher]

Aug 29 15:30:51 genesis sendmail[9224]: h7TKUn909224: from=<>, size=51130,
class=0, nrcpts=1, msgid
=<20030829203414.44D3F13B00 at chico.emailheads.net>, proto=ESMTP, daemon=MTA,
relay=[65.107.235.188]
Aug 29 15:30:51 genesis sendmail[9224]: h7TKUn909224:
to=<support at millenniumpatiohomes.com>, delay=
00:00:02, mailer=smtp, pri=81130, stat=queued
Aug 29 15:30:51 genesis MailScanner[8931]: New Batch: Scanning 1 messages,
51562 bytes 
Aug 29 15:30:51 genesis MailScanner[8931]: Spam Checks: Starting 
Aug 29 15:31:00 genesis MailScanner[8847]: New Batch: Found 2 messages
waiting 
Aug 29 15:31:00 genesis MailScanner[8847]: New Batch: Scanning 1 messages,
4266 bytes 
Aug 29 15:31:00 genesis MailScanner[8847]: Spam Checks: Starting 
Aug 29 15:31:03 genesis MailScanner[8931]: Virus and Content Scanning:
Starting 
Aug 29 15:31:05 genesis MailScanner[8931]: Filename Checks: Possible MS-Dos
program shortcut attack
 (your_details.pif) 
Aug 29 15:31:05 genesis MailScanner[8931]: Filetype Checks: No executables
(your_details.pif) 
Aug 29 15:31:05 genesis MailScanner[8931]: Other Checks: Found 2 problems 
Aug 29 15:31:05 genesis MailScanner[8931]: Cleaned: Delivered 1 cleaned
messages 
Aug 29 15:31:05 genesis MailScanner[8931]: Sender Warnings: Delivered 1
warnings to virus senders 
Aug 29 15:31:05 genesis sendmail[9248]: h7TKV5m09248:
from=mike at CamaroSS.net, size=1497, class=0, n
rcpts=1, msgid=<200308292031.h7TKV5m09248 at genesis.camaross.net>,
relay=root at localhost
Aug 29 15:31:05 genesis MailScanner[8931]: Notices: Warned about 1 messages