我的IMAIL为什么会有这样的日志，而且很多？

flying

20041230 001508 127.0.0.1 SMTPD (009A006C) [66.62.130.241] EHLO psflmail.psfl.com<br>
20041230 001508 127.0.0.1 SMTPD (009A006C) [66.62.130.241] bogus address in MAIL FROM:<><br>
20041230 001516 127.0.0.1 SMTPD (009B006C) [202.102.7.80] connect 65.210.153.200 port 18154<br>
20041230 001518 127.0.0.1 SMTPD (009B006C) [65.210.153.200] EHLO svrslade.WorldWired.net<br>
20041230 001519 127.0.0.1 SMTPD (009B006C) [65.210.153.200] bogus address in MAIL FROM:<><br>
20041230 001545 127.0.0.1 SMTPD (009C006C) [202.102.7.80] connect 68.152.93.205 port 20420<br>
20041230 001546 127.0.0.1 SMTPD (009C006C) [68.152.93.205] EHLO exchange1.massey.priv<br>
20041230 001546 127.0.0.1 SMTPD (009C006C) [68.152.93.205] bogus address in MAIL FROM:<><br>
20041230 001547 127.0.0.1 SMTPD (009D006C) [202.102.7.80] connect 216.242.46.132 port 48208<br>
20041230 001549 127.0.0.1 SMTPD (009D006C) [216.242.46.132] EHLO mail.martinotire.com<br>
20041230 001550 127.0.0.1 SMTPD (009D006C) [216.242.46.132] bogus address in MAIL FROM:<><br>
20041230 001557 127.0.0.1 SMTPD (009E006C) [202.102.7.80] connect 213.165.157.144 port 10570<br>
20041230 001557 127.0.0.1 SMTPD (009E006C) [213.165.157.144] EHLO www.fdd0006.fdd.co.uk<br>
20041230 001558 127.0.0.1 SMTPD (009E006C) [213.165.157.144] bogus address in MAIL From:<><br>
20041230 001621 127.0.0.1 SMTPD (009F006C) [202.102.7.80] connect 210.139.137.161 port 51127<br>
20041230 001621 127.0.0.1 SMTPD (009F006C) [210.139.137.161] HELO air.new-business.net<br>
20041230 001622 127.0.0.1 SMTPD (009F006C) [210.139.137.161] bogus address in MAIL FROM:<><br>
20041230 001623 127.0.0.1 SMTPD (00A0006C) [202.102.7.80] connect 203.30.46.241 port 49697<br>
20041230 001624 127.0.0.1 SMTPD (00A0006C) [203.30.46.241] EHLO chatty.kisser.net.au<br>
20041230 001624 127.0.0.1 SMTPD (00A0006C) [203.30.46.241] bogus address in MAIL FROM:<><br>
20041230 001643 127.0.0.1 SMTPD (00A1006C) [202.102.7.80] connect 81.89.160.130 port 52976<br>
20041230 001643 127.0.0.1 SMTPD (00A1006C) [81.89.160.130] EHLO ml-relay1.vio.com<br>
20041230 001644 127.0.0.1 SMTPD (00A1006C) [81.89.160.130] bogus address in MAIL From:<><br>
20041230 001652 127.0.0.1 SMTPD (00A2006C) [202.102.7.80] connect 137.153.0.45 port 44224<br>
20041230 001653 127.0.0.1 SMTPD (00A2006C) [137.153.0.45] EHLO ns5.sony.co.jp<br>
20041230 001653 127.0.0.1 SMTPD (00A2006C) [137.153.0.45] bogus address in MAIL FROM:<><br>
20041230 001654 127.0.0.1 SMTPD (00A3006C) [202.102.7.80] connect 205.180.248.201 port 60999<br>
20041230 001655 127.0.0.1 SMTPD (00A3006C) [205.180.248.201] EHLO zuni.solucian.net<br>
20041230 001655 127.0.0.1 SMTPD (00A3006C) [205.180.248.201] bogus address in MAIL FROM:<><br>
20041230 001705 127.0.0.1 SMTPD (00A4006C) [202.102.7.80] connect 66.98.136.60 port 48750<br>
20041230 001706 127.0.0.1 SMTPD (00A4006C) [66.98.136.60] EHLO webserv.iflexhost.com<br>
20041230 001706 127.0.0.1 SMTPD (00A4006C) [66.98.136.60] bogus address in MAIL FROM:<><br>
20041230 001706 127.0.0.1 SMTPD (00380228) [202.102.7.80] connect 203.141.160.193 port 53698<br>
20041230 001707 127.0.0.1 SMTPD (00380228) [203.141.160.193] EHLO msfep00.mfep.kcom.ne.jp<br>
20041230 001707 127.0.0.1 SMTPD (00380228) [203.141.160.193] bogus address in MAIL FROM:<><br>
20041230 235924 127.0.0.1 SMTPD (028900CA) [63.149.6.187] HELO mail.dns2go.com<br>
20041230 235924 127.0.0.1 SMTPD (004400BC) [63.149.6.187] bogus address in MAIL From:<><br>
20041230 235924 127.0.0.1 SMTPD (028900CA) [63.149.6.187] bogus address in MAIL From:<><br>
20041230 235925 127.0.0.1 SMTPD (028A00CA) [202.102.7.80] connect 63.149.6.187 port 4678<br>
20041230 235926 127.0.0.1 SMTPD (028A00CA) [63.149.6.187] HELO mail.dns2go.com<br>
20041230 235926 127.0.0.1 SMTPD (028A00CA) [63.149.6.187] bogus address in MAIL From:<><br>
20041230 235930 127.0.0.1 SMTPD (028B00CA) [202.102.7.80] connect 198.31.34.188 port 2426<br>
20041230 235930 127.0.0.1 SMTPD (028B00CA) [198.31.34.188] EHLO mail.dns2go.com<br>
20041230 235931 127.0.0.1 SMTPD (028B00CA) [198.31.34.188] bogus address in MAIL From:<><br>
20041230 235932 127.0.0.1 SMTPD (028C00CA) [202.102.7.80] connect 198.31.34.188 port 2440<br>
20041230 235932 127.0.0.1 SMTPD (028C00CA) [198.31.34.188] HELO mail.dns2go.com<br>
20041230 235932 127.0.0.1 SMTPD (028C00CA) [198.31.34.188] bogus address in MAIL From:<><br>
20041230 235936 127.0.0.1 SMTPD (028D00CA) [202.102.7.80] connect 69.50.184.114 port 38793<br>
20041230 235936 127.0.0.1 SMTPD (028D00CA) [69.50.184.114] EHLO caesar.99kr.com<br>
20041230 235937 127.0.0.1 SMTPD (028D00CA) [69.50.184.114] bogus address in MAIL FROM:<> <br>
<br>
<font color="red">系统反馈大量的伪造地址，为什么？<br>
<br>
病毒和木马已经彻底查过</font><br>

钉子

<a target=_blank href=../Announce/announce.asp?BoardID=33&ID=5501>../Announce/announce.asp?BoardID=33&ID=5501</a><br>
以上的帖子中有具体的说明，如果这些ＩＰ来源你不明白，可能是有些人想利用的ＳＭＴＰ来发垃圾邮件，或是群发。

flying

有什么办法阻止这个情况发生？