exim doubt

[Jijo Jose A <jijojose@sancharnet.in>]

hi all
in the exim mailer, the remort delivery should not tries more than 3 mail 
servers , the error
2002-01-16 07:50:52 16QfY2-00005q-00 mail2.rediffmail.com [203.199.83.4]: Connection refuced
2002-01-16 07:50:52 16QfY2-00005q-00 mail3.rediffmail.com [203.199.83.132]: Connection refuced
2002-01-16 07:50:52 16QfY2-00005q-00 mail.rediffmail.com [202.54.124.155]: Connection refuced


and it defer the mail to next retry.
what can i do for exim attempting more than 3 MX record?

TIA
-jijo jsose