Hello all,
One of our systems has just started to show thousands of the below in its maillog, and performace is severely affected. Load balance is high.
Can anyone help with suggested solutions?
Many thanks.
Oct 3 10:58:24 pluto postfix/smtpd[27231]: lost connection after UNKNOWN from unknown[118.97.95.73]
Oct 3 10:58:24 pluto postfix/smtpd[27231]: disconnect from unknown[118.97.95.73]
Oct 3 10:58:24 pluto postfix/smtpd[27234]: lost connection after UNKNOWN from TOROON63-1279387425.sdsl.bell.ca[76.65.231.33]
Oct 3 10:58:24 pluto postfix/smtpd[27234]: disconnect from TOROON63-1279387425.sdsl.bell.ca[76.65.231.33]
Oct 3 10:58:24 pluto postfix/smtpd[27493]: lost connection after UNKNOWN from unknown[114.143.108.231]
Oct 3 10:58:24 pluto postfix/smtpd[27493]: disconnect from unknown[114.143.108.231]
Oct 3 10:58:24 pluto postfix/smtpd[27616]: connect from unknown[37.254.224.200]
Oct 3 10:58:25 pluto postfix/smtpd[27203]: lost connection after UNKNOWN from unknown[41.218.9.216]
Oct 3 10:58:25 pluto postfix/smtpd[27203]: disconnect from unknown[41.218.9.216]
Oct 3 10:58:25 pluto postfix/smtpd[27145]: connect from unknown[46.210.173.16]
Oct 3 10:58:25 pluto postfix/smtpd[27493]: connect from unknown[197.243.40.102]
Oct 3 10:58:25 pluto postfix/smtpd[27133]: lost connection after UNKNOWN from unknown[41.223.40.124]
Oct 3 10:58:25 pluto postfix/smtpd[27133]: disconnect from unknown[41.223.40.124]
Oct 3 10:58:25 pluto postfix/smtpd[27600]: lost connection after UNKNOWN from unknown[95.7.219.177]
Oct 3 10:58:25 pluto postfix/smtpd[27600]: disconnect from unknown[95.7.219.177]
Oct 3 10:58:25 pluto postfix/smtpd[27632]: lost connection after UNKNOWN from unknown[111.68.32.149]
Oct 3 10:58:25 pluto postfix/smtpd[27632]: disconnect from unknown[111.68.32.149]
Oct 3 10:58:25 pluto postfix/smtpd[27204]: connect from 41.252.7.226.ADSL.ZS1.dynamic.ltt.ly[41.252.7.226]
Oct 3 10:58:25 pluto postfix/smtpd[27213]: lost connection after UNKNOWN from unknown[41.71.150.55]
Oct 3 10:58:25 pluto postfix/smtpd[27213]: disconnect from unknown[41.71.150.55]
Oct 3 10:58:25 pluto postfix/smtpd[27215]: lost connection after UNKNOWN from unknown[87.252.141.24]
Oct 3 10:58:25 pluto postfix/smtpd[27215]: disconnect from unknown[87.252.141.24]
^XOct 3 10:58:25 pluto postfix/smtpd[27491]: lost connection after UNKNOWN from unknown[178.131.156.36]
Oct 3 10:58:25 pluto postfix/smtpd[27491]: disconnect from unknown[178.131.156.36]
Oct 3 10:58:25 pluto postfix/smtpd[27194]: lost connection after UNKNOWN from 239.106.94.80.static.monaco.mc[80.94.106.239]
Oct 3 10:58:25 pluto postfix/smtpd[27194]: disconnect from 239.106.94.80.static.monaco.mc[80.94.106.239]
Oct 3 10:58:26 pluto postfix/smtpd[27133]: connect from unknown[2.180.59.173]
Oct 3 10:58:26 pluto postfix/smtpd[27092]: lost connection after UNKNOWN from unknown[41.72.1.94]
Oct 3 10:58:26 pluto postfix/smtpd[27092]: disconnect from unknown[41.72.1.94]
One of our systems has just started to show thousands of the below in its maillog, and performace is severely affected. Load balance is high.
Can anyone help with suggested solutions?
Many thanks.
Oct 3 10:58:24 pluto postfix/smtpd[27231]: lost connection after UNKNOWN from unknown[118.97.95.73]
Oct 3 10:58:24 pluto postfix/smtpd[27231]: disconnect from unknown[118.97.95.73]
Oct 3 10:58:24 pluto postfix/smtpd[27234]: lost connection after UNKNOWN from TOROON63-1279387425.sdsl.bell.ca[76.65.231.33]
Oct 3 10:58:24 pluto postfix/smtpd[27234]: disconnect from TOROON63-1279387425.sdsl.bell.ca[76.65.231.33]
Oct 3 10:58:24 pluto postfix/smtpd[27493]: lost connection after UNKNOWN from unknown[114.143.108.231]
Oct 3 10:58:24 pluto postfix/smtpd[27493]: disconnect from unknown[114.143.108.231]
Oct 3 10:58:24 pluto postfix/smtpd[27616]: connect from unknown[37.254.224.200]
Oct 3 10:58:25 pluto postfix/smtpd[27203]: lost connection after UNKNOWN from unknown[41.218.9.216]
Oct 3 10:58:25 pluto postfix/smtpd[27203]: disconnect from unknown[41.218.9.216]
Oct 3 10:58:25 pluto postfix/smtpd[27145]: connect from unknown[46.210.173.16]
Oct 3 10:58:25 pluto postfix/smtpd[27493]: connect from unknown[197.243.40.102]
Oct 3 10:58:25 pluto postfix/smtpd[27133]: lost connection after UNKNOWN from unknown[41.223.40.124]
Oct 3 10:58:25 pluto postfix/smtpd[27133]: disconnect from unknown[41.223.40.124]
Oct 3 10:58:25 pluto postfix/smtpd[27600]: lost connection after UNKNOWN from unknown[95.7.219.177]
Oct 3 10:58:25 pluto postfix/smtpd[27600]: disconnect from unknown[95.7.219.177]
Oct 3 10:58:25 pluto postfix/smtpd[27632]: lost connection after UNKNOWN from unknown[111.68.32.149]
Oct 3 10:58:25 pluto postfix/smtpd[27632]: disconnect from unknown[111.68.32.149]
Oct 3 10:58:25 pluto postfix/smtpd[27204]: connect from 41.252.7.226.ADSL.ZS1.dynamic.ltt.ly[41.252.7.226]
Oct 3 10:58:25 pluto postfix/smtpd[27213]: lost connection after UNKNOWN from unknown[41.71.150.55]
Oct 3 10:58:25 pluto postfix/smtpd[27213]: disconnect from unknown[41.71.150.55]
Oct 3 10:58:25 pluto postfix/smtpd[27215]: lost connection after UNKNOWN from unknown[87.252.141.24]
Oct 3 10:58:25 pluto postfix/smtpd[27215]: disconnect from unknown[87.252.141.24]
^XOct 3 10:58:25 pluto postfix/smtpd[27491]: lost connection after UNKNOWN from unknown[178.131.156.36]
Oct 3 10:58:25 pluto postfix/smtpd[27491]: disconnect from unknown[178.131.156.36]
Oct 3 10:58:25 pluto postfix/smtpd[27194]: lost connection after UNKNOWN from 239.106.94.80.static.monaco.mc[80.94.106.239]
Oct 3 10:58:25 pluto postfix/smtpd[27194]: disconnect from 239.106.94.80.static.monaco.mc[80.94.106.239]
Oct 3 10:58:26 pluto postfix/smtpd[27133]: connect from unknown[2.180.59.173]
Oct 3 10:58:26 pluto postfix/smtpd[27092]: lost connection after UNKNOWN from unknown[41.72.1.94]
Oct 3 10:58:26 pluto postfix/smtpd[27092]: disconnect from unknown[41.72.1.94]