Attack on Exim!
I already blocked "e500.indumil.gov.co" using mod_security but have no luck.
Please help me to stop this attack. Thank you
Below is a quotes from exim_mainlog:
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2006-01-15 06:48:46 no IP address found for host e500.indumil.gov.co (during SMTP connection from (abqori) [206.73.210.65]:2579 I=[70.84.104.200]:25)
2006-01-15 06:48:53 no IP address found for host e500.indumil.gov.co (during SMTP connection from (server2.safelist-nation.com) [63.247.74.66]:48333 I=[70.84.104.200]:25)
2006-01-15 06:50:00 no IP address found for host e500.indumil.gov.co (during SMTP connection from (aol.com) [71.195.213.239]:3506 I=[70.84.104.200]:25)
2006-01-15 06:50:26 no IP address found for host e500.indumil.gov.co (during SMTP connection from (localhost) [12.217.69.169]:3469 I=[70.84.104.200]:25)
2006-01-15 06:50:36 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA) [68.59.7.113]:4781 I=[70.84.104.200]:25)
2006-01-15 06:50:42 no IP address found for host e500.indumil.gov.co (during SMTP connection from (2iaku.qyir2.rr.com) [68.59.7.113]:4960 I=[70.84.104.200]:25)
2006-01-15 06:50:47 no IP address found for host e500.indumil.gov.co (during SMTP connection from (abuhanif) [206.73.210.65]:3272 I=[70.84.104.200]:25)
2006-01-15 06:50:48 no IP address found for host e500.indumil.gov.co (during SMTP connection from (odtdor1.a1o4.optonline.net) [222.253.71.69]:4354 I=[70.84.104.200]:25)
2006-01-15 06:50:50 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA) [68.59.7.113]:1121 I=[70.84.104.200]:25)
2006-01-15 06:50:53 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA) [68.59.7.113]:1121 I=[70.84.104.200]:25)
2006-01-15 06:50:55 no IP address found for host e500.indumil.gov.co (during SMTP connection from (SERVER) [222.253.71.69]:4457 I=[70.84.104.200]:25)
2006-01-15 06:50:56 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA) [68.59.7.113]:1277 I=[70.84.104.204]:25)
2006-01-15 06:50:58 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA.wh1xae.com) [68.59.7.113]:1332 I=[70.84.104.200]:25)
2006-01-15 06:51:01 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA.ou3yvvic.com) [68.59.7.113]:1389 I=[70.84.104.204]:25)
2006-01-15 06:51:02 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA.wh1xae.com) [68.59.7.113]:1332 I=[70.84.104.200]:25)
2006-01-15 06:51:02 no IP address found for host e500.indumil.gov.co (during SMTP connection from (SERVER.vnavd37.com) [222.253.71.69]:4581 I=[70.84.104.200]:25)
2006-01-15 06:51:05 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA.wh1xae.com) [68.59.7.113]:1332 I=[70.84.104.200]:25)
2006-01-15 06:51:05 no IP address found for host e500.indumil.gov.co (during SMTP connection from (abuhanif) [206.73.210.65]:1402 I=[70.84.104.200]:25)
2006-01-15 06:51:07 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA) [68.59.7.113]:1500 I=[70.84.104.204]:25)
2006-01-15 06:51:09 no IP address found for host e500.indumil.gov.co (during SMTP connection from (SERVER) [222.253.71.69]:4709 I=[70.84.104.200]:25)
2006-01-15 06:51:10 no IP address found for host e500.indumil.gov.co (during SMTP connection from (uedh.t4d1bo.rr.com) [68.59.7.113]:1579 I=[70.84.104.200]:25)
2006-01-15 06:51:12 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA.pumo22wi.net) [68.59.7.113]:1618 I=[70.84.104.204]:25)
2006-01-15 06:51:13 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (uedh.t4d1bo.rr.com) [68.59.7.113]:1579 I=[70.84.104.200]:25)
2006-01-15 06:51:16 no IP address found for host e500.indumil.gov.co (during SMTP connection from (ulea.e7of.cox.net) [222.253.71.69]:4823 I=[70.84.104.200]:25)
2006-01-15 06:51:16 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (uedh.t4d1bo.rr.com) [68.59.7.113]:1579 I=[70.84.104.200]:25)
2006-01-15 06:51:17 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA.awauahu.com) [68.59.7.113]:1712 I=[70.84.104.204]:25)
2006-01-15 06:51:22 no IP address found for host e500.indumil.gov.co (during SMTP connection from (JOHN-RO10B1Z0XA.br0ipc4.net) [68.59.7.113]:1775 I=[70.84.104.200]:25)
2006-01-15 06:51:22 no IP address found for host e500.indumil.gov.co (during SMTP connection from (localhost) [207.192.244.223]:1033 I=[70.84.104.200]:25)
2006-01-15 06:51:23 no IP address found for host e500.indumil.gov.co (during SMTP connection from (iiuo.uui84ue.aol.com) [222.253.71.69]:4984 I=[70.84.104.200]:25)
2006-01-15 06:51:23 no IP address found for host e500.indumil.gov.co (during SMTP connection from (qv12.eis53up.comcast.net) [68.59.7.113]:1795 I=[70.84.104.204]:25)
2006-01-15 06:51:25 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA.br0ipc4.net) [68.59.7.113]:1775 I=[70.84.104.200]:25)
2006-01-15 06:51:26 no IP address found for host e500.indumil.gov.co (during SMTP connection from (bmisurveyor.com) [222.124.72.5]:2317 I=[70.84.104.200]:25)
2006-01-15 06:51:28 no IP address found for host e500.indumil.gov.co (during SMTP connection from pcp09629197pcs.wltrbr01.sc.comcast.net (JOHN-RO10B1Z0XA.br0ipc4.net) [68.59.7.113]:1775 I=[70.84.104.200]:25)
2006-01-15 06:51:28 no IP address found for host e500.indumil.gov.co (during SMTP connection from (a0wui1h.2445abm8.verizon.net) [68.59.7.113]:1878 I=[70.84.104.204]:25)
2006-01-15 06:51:29 no IP address found for host e500.indumil.gov.co (during SMTP connection from (SERVER.8bidfwzl.org) [222.253.71.69]:3104 I=[70.84.104.200]:25)
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