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Duplicate mail

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    Posted: 26 March 2008 at 4:51pm
Update. Email was 4MB in size, and was timing out as the dest SMTP server was taking over 60 seconds to process it. Increasing the ReadTimeoutOutgoing solved the issue.
Roberto Franceschetti

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Post Options Post Options   Thanks (0) Thanks(0)   Quote LogSat Quote  Post ReplyReply Direct Link To This Post Posted: 26 March 2008 at 1:30pm
Achirco,

If SpamFilter is not able to deliver an email to your destination SMTP server, it is placed in a re-delivery queue.

SpamFilter attempts to re-deliver all emails in the delivery queue every 60 minutes, which is what appears to occur here (this is unrelated to the blacklist cache purge, as the latter occurs every few minutes).

If there's a delivery error, SpamFilter will log the cause. if you look at the entry:

03/25/08 05:48:20:350 -- (1108) Sending email from DaveW@capcom.com to mhochheiser@ESRB.ORG

do a search in your text editor, starting from that line, for the string containing the thread ID related to that message (1108). The next line you find will contain the error that SpamFilter encountered while delivering the email. Please note that sometimes there will be a "read timeout" error about 60 seconds after the initial delivery attempt. SpamFilter has a built-in default timeout of 60 seconds when delivering emails. If it does not receive any responses from the destination SMTP server within 60 seconds, the email is re-placed in the queue for later delivery. This timeout can be increased by modifying this parameter in the SpamFilter.ini file:

;Timeout when delivering emails to the destination SMTP server (in seconds)
ReadTimeoutOutgoing=60
Roberto Franceschetti

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Post Options Post Options   Thanks (0) Thanks(0)   Quote achirco Quote  Post ReplyReply Direct Link To This Post Posted: 26 March 2008 at 12:34pm

I keep getting duplicate mail from one person. It is only a specific email that had an attachment. I keep getting it over and over every hour. I checked our logs and it seems like it happens when the spam filter does a blacklist cache.

 

Here is two different occasions of if happening. 

 

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 201.240.59.151 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 211.74.168.169 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 217.173.20.246 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 220.126.238.229 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 222.86.228.139 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 82.116.47.194 from limbo during cleanup

03/25/08 04:48:20:099 -- (3168) Blacklist cache - removed IP 84.221.137.73 from limbo during cleanup

03/25/08 04:48:20:115 -- (3168) Blacklist cache - removed IP 96.224.109.15 from limbo during cleanup

03/25/08 04:48:20:474 -- (3128) Connection from: 88.250.8.249  -  Originating country : Turkey

03/25/08 04:48:20:787 -- (1872) Sending email from DaveW@capcom.com to mhochheiser@ESRB.ORG

 

03/25/08 05:48:20:053 -- (3288) Blacklist cache - starting cleanup

03/25/08 05:48:20:053 -- (3288) Blacklist cache - removed IP 221.1.68.231 from cache during cleanup

03/25/08 05:48:20:053 -- (3288) Blacklist cache - removed IP 123.10.84.227 from limbo during cleanup

03/25/08 05:48:20:053 -- (3288) Blacklist cache - removed IP 124.193.145.170 from limbo during cleanup

03/25/08 05:48:20:053 -- (3288) Blacklist cache - removed IP 190.40.234.129 from limbo during cleanup

03/25/08 05:48:20:053 -- (3288) Blacklist cache - removed IP 194.242.61.82 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 200.181.121.156 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 200.28.216.237 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 201.221.162.41 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 211.91.165.116 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 59.93.93.27 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 63.123.252.6 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 66.249.92.171 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 76.107.88.167 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 76.171.157.185 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 80.87.129.25 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 88.122.243.175 from limbo during cleanup

03/25/08 05:48:20:069 -- (3288) Blacklist cache - removed IP 98.213.237.200 from limbo during cleanup

03/25/08 05:48:20:350 -- (1108) Sending email from DaveW@capcom.com to mhochheiser@ESRB.ORG

 

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