[qmailadmin] Fw: failure notice

[Balaji R R]

hi, iam using qmail toaster as mail server in centos 4.x OS. my mail server ccould not deliver some mails to to few servers.Mail are bouncing back to me. please find bounced message xxx.xxx.xxx.xxx failed after I sent the message.  Remote host said: 421 mail50-ash.bigfish.com Error: timeout exceeded  I'm not going to try again; this message has been in the queue too long   please guide me what to do?   regards, Balaji