421 too many connections 如何解决

yujuan906

有退信， 421 too many connections如何解决，，然后邮件在重试列表里，过段时间你在处理，又可以发送出去了


-- Session Transcript ---
Tue 2012-10-16 19:14:59: Parsing message
<xxxxxxxxxxxxxxxxxxxxxxxx\pd35000294918.msg>
Tue 2012-10-16 19:14:59: *  From: aaa@aaa.com
Tue 2012-10-16 19:14:59: *  To: lauren.zee@komarbrands.com
Tue 2012-10-16 19:14:59: *  Subject: Re: urgently ATS - SPRING13 - Big Girls
Gowns - Shirley
Tue 2012-10-16 19:14:59: *  Size (bytes): 51579
Tue 2012-10-16 19:14:59: *  Message-ID:
<12135A0C4D0349A992CA74F90828D4FA@jessica405>
Tue 2012-10-16 19:14:59: Attempting SMTP connection to [komarbrands.com]
Tue 2012-10-16 19:14:59: Resolving MX records for [komarbrands.com] (DNS
Server: 202.96.209.5)...
Tue 2012-10-16 19:14:59: *  P=010 S=000 D=komarbrands.com TTL=(205)
MX=[fish.komar-ny.com]
Tue 2012-10-16 19:14:59: Attempting SMTP connection to
[fish.komar-ny.com:25]
Tue 2012-10-16 19:14:59: Resolving A record for [fish.komar-ny.com] (DNS
Server: 202.96.209.5)...
Tue 2012-10-16 19:14:59: *  D=fish.komar-ny.com TTL=(25) A=[64.115.195.178]
Tue 2012-10-16 19:14:59: Attempting SMTP connection to [64.115.195.178:25]
Tue 2012-10-16 19:14:59: Waiting for socket connection...
Tue 2012-10-16 19:15:00: *  Connection established (192.168.2.2:4783 ->
64.115.195.178:25)
Tue 2012-10-16 19:15:00: Waiting for protocol to start...
Tue 2012-10-16 19:15:00: <-- 421 too many connections
Tue 2012-10-16 19:15:00: --> QUIT
Tue 2012-10-16 19:15:00: Socket connection closed by the other side (how
rude!)
Tue 2012-10-16 19:15:00: 此邮件已经过了 64 分；在这个队列还剩 0 分
Tue 2012-10-16 19:15:00: 远程队列生命期已超过；邮件放到重试队列
--- End Transcript ---

yujuan906

这个是不是对方服务器的设置关系？连接达到一定数量，会这样？？