Could you please post the output of 'ps faux' or Webadmin -> Reporting -> Advanced -> Process List at the moment the problem occures? Maybe also a bigger cutout of the pop3 log, content filter log and selfmonitor log.
Could you please post the output of 'ps faux' or Webadmin -> Reporting -> Advanced -> Process List at the moment the problem occures? Maybe also a bigger cutout of the pop3 log, content filter log and selfmonitor log.