sending TOP of message 22 (unbuffered operation, increase latency setting if rem

wutaore

出现如下后，mdaemon 就停止服务必须重启，调整了time下的latency也没有用,有没有解决办法。
Mon 2012-11-05 12:22:41: [432:4364] TOP 22 808
Mon 2012-11-05 12:22:41: [432:4364] Sending TOP of message 22 (unbuffered operation, increase latency setting if remote side can't keep up)...
Mon 2012-11-05 12:22:41: [432:4364] +OK
Mon 2012-11-05 12:22:48: [432:4364] Winsock Error 10035: Operation would block.
Mon 2012-11-05 12:22:48: [432:4364] Error writing to socket
Mon 2012-11-05 12:22:48: [432:4364] POP session complete, 59336 bytes transferred!

问一下大家购买mdaemon是找国内代理还是直接去找altn,价格相差很多。谢谢