hi all i just install qmail-1.03 on FreeBSD-3.3RELEASE. and my problem is ,enev i put the number(120) in /var/qmail/control/concurrencyremote and i use qmail-showctl. i can see the number of concurrencyremote is 120 but my qmail-send didn;t fork so much children to send mail. sometime many (60~80) sometime very low(1~10) ... my server lording is low(about 1~2), and max file discriptor is 8192 and retome server is ok. I want to make it to delivery the mail out af Max speed could you tell me what should i do.thx. chChen