I'm getting tons and tons of SMTP connection timeouts - upwards of 30,000 a day. My customers are complaining. Looking at my ASSP logs, I see this:
Feb-22-13 07:38:29 FS-36518-03137 [Worker_2] xxx.112.250.78 <dor...@xxxxx.ne.jp> [SMTP Status] 451 Connection timeout, try later Feb-22-13 08:37:02 FS-40028-06607 [Worker_4] xxx.214.189.227 <consumerhealthdig...@aaaa.com> to: tan...@bbbb.com [SMTP Status] 451 Connection timeout, try later Feb-22-13 08:41:20 [Worker_2] xxx.50.196.141 [SMTP Status] 451 Connection timeout, try later It looks like one thread just gets backed up accepting a ton of connections, and then times them all out at once. Any idea what I should start looking for? Is this an ASSP problem, or a mail server problem? My watchdog process never shows any issue making connections to my mail server - in fact, it hasn't logged a single failed or timed out SMTP connection to the mail server in weeks. So I suspect something is going on inside ASSP. Feb-22-13 12:04:18 [Worker_6] xxx.232.73.4 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.4.169.121 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.6.179.9 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.167.185.142 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.69.101.173 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.7.63.157 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.15.116.96 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.22.57.144 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.231.153.10 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 FS-47523-10186 [Worker_6] xxx.22.185.228 <coup...@xxxxxxx.com> to: jmacl...@yyyyyyy.com [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.7.61.66 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.139.44.138 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.7.63.200 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.98.233.204 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.59.7.77 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.91.248.47 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.46.234.89 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.46.114.14 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.98.233.204 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.12.45.219 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.248.246.32 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.10.107.54 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.229.61.12 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.33.214.174 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.163.83.145 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.100.50.136 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.141.232.68 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.6.179.8 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.91.248.47 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.222.117.127 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.126.144.113 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.246.137.217 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.210.60.254 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.242.161.149 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.25.60.202 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.0.42.251 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.237.236.165 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.242.223.139 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.25.199.68 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.59.148.234 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.247.116.6 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 FS-47529-12980 [Worker_6] xxx.92.92.62 <ja...@xxxxxx.ca> to: kykk...@aaaaaaaa.com [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.132.109.58 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.128.43.136 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.249.183.181 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.15.116.101 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.232.199.164 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.54.112.145 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.91.248.47 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.25.227.172 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.8.66.162 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.31.21.223 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.151.5.185 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.210.60.200 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.242.2.213 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.105.212.6 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.48.51.211 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.167.237.126 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.246.137.218 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.22.110.186 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.222.102.45 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.113.178.218 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.63.183.87 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.161.198.166 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.30.4.15 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.75.242.49 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.15.183.218 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.210.60.200 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.142.91.229 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.229.61.24 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.117.92.62 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.222.102.45 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.39.232.100 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.90.197.48 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.22.57.144 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.94.237.191 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.30.32.29 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.120.251.124 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.229.61.13 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.0.38.139 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.229.61.27 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.46.112.175 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.126.144.147 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.59.7.78 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.214.73.12 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.232.149.134 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.229.61.13 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.194.223.137 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.251.36.18 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.90.73.162 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.214.144.124 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.183.108.206 [SMTP Status] 451 Connection timeout, try later Feb-22-13 12:04:34 [Worker_6] xxx.232.73.4 [SMTP Status] 451 Connection timeout, try later ------------------------------------------------------------------------------ Everyone hates slow websites. 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