This has shown up in our logs alot today. can someone tell me what it all means?
06:25 01:41 SMTP-(7e6d072c00ce8796) [x] Connecting socket to service <SMTP> on host <obu.edu> using protocol <tcp> 06:25 01:41 SMTP-(7e6d072c00ce8796) [x] using source IP for LTCConnection.com [64.7.202.212] 06:25 01:41 SMTPD(7faa05bd00ca8834) [58.235.235.3] RCPT TO: <[EMAIL PROTECTED]> 06:25 01:41 SMTP-(7e6d072c00ce8796) Info - DNS Cache full, deleting last item (paltek.co.jp) 06:25 01:41 SMTP-(7e6d072c00ce8796) Info - Adding obu.edu to DNS cache - TTL = 86130 06:25 01:41 SMTP-(7f5d000013b07595) [x] looking up paypal.com in HOSTS and MX 06:25 01:41 SMTP-(7f5d000013b07595) Info - Found paypal.com in DNS Cache 06:25 01:41 SMTP-(7f5d000013b07595) Trying paypal.com (0) 06:25 01:41 SMTP-(7f5d000013b07595) [x] Connecting socket to service <SMTP> on host <paypal.com> using protocol <tcp> 06:25 01:41 SMTP-(7f5d000013b07595) [x] using source IP for LTCConnection.com [64.7.202.212] 06:25 01:41 SMTP-(7f5d000013b07595) Info - Found paypal.com in DNS Cache 06:25 01:41 SMTP-(7e6d072c00ce8796) Connect obu.edu [65.70.16.4:25] (1) 06:25 01:41 SMTP-(7f5d000013b07595) Connect paypal.com [66.135.195.180:25] (1) 06:25 01:41 SMTP-(7f1f05b300ca8802) [x] looking up 8ah3sskwa.org by stack 06:25 01:41 SMTP-(7e6d072c00ce8796) 220 athena.obu.edu Microsoft ESMTP MAIL Service, Version: 6.0.3790.1830 ready at Mon, 25 Jun 2007 03:41:18 -0500 06:25 01:41 SMTP-(7e6d072c00ce8796) >EHLO LTCConnection.com 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-athena.obu.edu Hello [64.7.202.212] 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-TURN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-SIZE 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-ETRN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-DSN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-ENHANCEDSTATUSCODES 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-8bitmime 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-BINARYMIME 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-CHUNKING 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-VRFY 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-X-EXPS GSSAPI NTLM LOGIN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-X-EXPS=LOGIN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-AUTH GSSAPI NTLM LOGIN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-AUTH=LOGIN 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-X-LINK2STATE 06:25 01:41 SMTP-(7e6d072c00ce8796) 250-XEXCH50 06:25 01:41 SMTP-(7e6d072c00ce8796) 250 OK 06:25 01:41 SMTP-(7e6d072c00ce8796) >MAIL FROM:<[EMAIL PROTECTED]> 06:25 01:41 SMTP-(7e6d072c00ce8796) 250 2.1.0 [EMAIL PROTECTED] OK 06:25 01:41 SMTP-(7e6d072c00ce8796) >RCPT To:<[EMAIL PROTECTED]> 06:25 01:41 SMTP-(7e6d072c00ce8796) 250 2.1.5 [EMAIL PROTECTED] 06:25 01:41 SMTP-(7e6d072c00ce8796) >DATA 06:25 01:41 SMTP-(7e6d072c00ce8796) 354 Start mail input; end with <CRLF>.<CRLF> 06:25 01:41 SMTP-(7e6d072c00ce8796) >. 06:25 01:41 SMTP-(7e6d072c00ce8796) 554 5.7.1 This message has been blocked because its checksum is in FortiGuard - AntiSpam checksum blacklist.(ffcfd6f12dc99a405fd30669d41c3342;239;1;0) 06:25 01:41 SMTP-(7e6d072c00ce8796) ERR undeliverable 554 5.7.1 This message has been blocked because its checksum is in FortiGuard - AntiSpam checksum blacklist.(ffcfd6f12dc99a405fd30669d41c3342;239;1;0) 06:25 01:41 SMTP-(7e6d072c00ce8796) SMTP_DELIV_FAILED 06:25 01:41 SMTP-(7e6d072c00ce8796) >QUIT 06:25 01:41 SMTP-(7e6d072c00ce8796) 06:25 01:41 SMTP-(7e6d072c00ce8796) [u] closing socket (u) 06:25 01:41 SMTP-(7e6d072c00ce8796) Trying oakmail.peru.edu (0) 06:25 01:41 SMTP-(7e6d072c00ce8796) [x] Connecting socket to service <SMTP> on host <oakmail.peru.edu> using protocol <tcp> 06:25 01:41 SMTP-(7e6d072c00ce8796) [x] using source IP for LTCConnection.com [64.7.202.212] 06:25 01:41 SMTP-(7e6d072c00ce8796) Info - DNS Cache full, deleting last item (sums.ac.ir) 06:25 01:41 SMTP-(7e6d072c00ce8796) Info - Adding oakmail.peru.edu to DNS cache - TTL = 3329 06:25 01:41 SMTP-(7e6d072c00ce8796) Connect oakmail.peru.edu [198.180.0.15:25] (1) 06:25 01:41 SMTP-(7f5a000012cc67ab) 220 sjciport03.sjc.ebay.com ESMTP 06:25 01:41 SMTP-(7f5a000012cc67ab) >EHLO LTCConnection.com
