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Vince 
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Joined: 17 July 2007 Status: Offline Points: 2 |
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 Topic: no forwardingPosted: 17 July 2007 at 2:27pm |
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Hi, I have a problem with an email reception. As you see here, the number 12624 is accepted but never forwarding. The sender tries many times but always the same problem. 07/10/07 18:14:46:765 -- (12624) Connection from: 66.235.211.153 - Originating country : 07/10/07 18:14:51:578 -- (12624) - SPF analysis for mainehh.com done: - none 07/10/07 18:14:51:578 -- (12624) Mail from: john@mainehh.com 07/10/07 18:14:53:968 -- (12624) - MAPS search done... 07/10/07 18:14:53:968 -- (12624) RCPT TO: JRLADOUCEUR@BAINULTRA.COM accepted |
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Desperado
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Joined: 27 January 2005 Location: United States Status: Offline Points: 1143 |
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Posted: 17 July 2007 at 3:22pm |
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Vince, You do not see anything like the below: 07/10/07 18:14:53::xxx -- (12624) Checking SURBL Edited by Desperado |
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The Desperado
Dan Seligmann. Work: http://www.mags.net Personal: http://www.desperado.com |
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Vince
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Joined: 17 July 2007 Status: Offline Points: 2 |
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Posted: 17 July 2007 at 4:57pm |
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I only see what I post before. Here are more line in the logfile... 07/10/07 18:14:40:250 -- (10404) Running TTerminateIdleThreads - SFTC=0 - SFFC=0 |
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Desperado
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Joined: 27 January 2005 Location: United States Status: Offline Points: 1143 |
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Posted: 17 July 2007 at 5:16pm |
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Vince, The last line:07/10/07 18:15:55:671 -- (12624) Disconnect I may be barking up the wrong tree but ... |
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The Desperado
Dan Seligmann. Work: http://www.mags.net Personal: http://www.desperado.com |
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LogSat
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Joined: 25 January 2005 Location: United States Status: Offline Points: 4104 |
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Posted: 17 July 2007 at 10:01pm |
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Vince,
Desperado should be correct. We received your log via FTP, and we came to the same explanation. SpamFilter has a 60-second built-in timeout, and if no data is received during that time, the connection will be dropped. It's possible for example, that there is a firewall/virus scanning software intercepting the email before SpamFilter (this can be on the receiving or the sender's end). The firewall/antivirus is intercepting all of the packets sent after the DATA command, and only after the whole email is processed, the firewall proceeds to forward the data to SpamFilter. Normally this was not a problem, but when large attachments arrived, and/or the internet connection is slow, the firewall could "stall" SpamFilter, while the attachment is being received. Since SpamFilter is not receiving any packets, after 60 seconds SpamFilter drops the connection thinking it is a spammer. Increasing the ReadTimeout value in the SpamFilter.ini file to a higher value, like 120 or 300 seconds should solve the issue. |
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