try give a bigger number of /var/qmail/control/concurrencypop3 or /var/qmail/control/concurrencyincoming.for getting detail help, you HAVE TO give partial content of /var/log/qmail/current!
-redspider(忙啥！歇着吧！);
2004-3-12{84}(#1642309@0)
increasing concurrency control file is normally for big trafic mail server. check if your mail server is used as an open relay server. if yes, stop it!
-redspider(忙啥！歇着吧！);
2004-3-12(#1642573@0)