[Pkg-exim4-users] how to verify if my exim4 can receive mails

[Jumping]

I have two mal system , one is exim4  and other is MD. The MD acts as
primary smtp, and the exim4 acts as second smtp.
The exim4 can send out mails.

====================================================
When use http://www.checkdns.net/quickcheck.aspx?domain=showme.hk&detailed=1
to test it. I got follow :

CheckDNS.NET tests mail-servers
  Domain showme.hk has 2 mail-servers.
  Checking mail server (PRI=0) mail.showme.hk [203.98.188.29]
  Mail server mail.showme.hk[203.98.188.29] answers on port 25
  <<< 220 mtelsl.com ESMTP MDaemon 9.5.6; Wed, 24 Sep 2008 14:55:58 +0800
  >>> HELO www.checkdns.net
  <<< 250 mtelsl.com Hello www.checkdns.net, pleased to meet you
  >>> MAIL FROM: <dnscheck at uniplace.com>
  <<< 250 <dnscheck at uniplace.com>, Sender ok
  >>> RCPT TO: <postmaster at showme.hk>
  <<< 250 <postmaster at showme.hk>, Recipient ok
  >>> QUIT
  Mail server mail.showme.hk [203.98.188.29] accepts mail for showme.hk
  Checking mail server (PRI=5) mail2.showme.hk [59.188.15.185]
  Mail server mail2.showme.hk[59.188.15.185] answers on port 25
  <<< 220 showme ESMTP Exim 4.63 Wed, 24 Sep 2008 14:56:21 +0800
  >>> HELO www.checkdns.net
  <<< 250 showme Hello www.checkdns.net [195.60.98.253]
  >>> MAIL FROM: <dnscheck at uniplace.com>
  <<< 250 OK
  >>> RCPT TO: <postmaster at showme.hk>
  <<< 550 relay not permitted
  Probably mail server does not accept mail for showme.hk and
recognizes this as relay attempt.
  Some of your MX do not work properly

========================
 tail -f /var/log/exim4/rejectlog

2008-09-23 23:30:41 H=(www.checkdns.net) [195.60.98.253]
F=<dnscheck at uniplace.com> rejected RCPT <postmaster at showme.hk>: relay
not

permitted
2008-09-24 12:54:25 H=(www.checkdns.net) [195.60.98.253]
F=<dnscheck at uniplace.com> rejected RCPT <postmaster at showme.hk>: relay
not

permitted
2008-09-24 14:56:23 H=(www.checkdns.net) [195.60.98.253]
F=<dnscheck at uniplace.com> rejected RCPT <postmaster at showme.hk>: relay
not

permitted
2008-09-24 21:42:31 H=(www.checkdns.net) [195.60.98.253]
F=<dnscheck at uniplace.com> rejected RCPT <postmaster at showme.hk>: relay
not

permitted

=======================================================================

If I add 195.60.98.253 to the dc_relay_nets in update-exim4.conf.conf,
the test returns ok.

How Can I Enable my Exim4 could accept this type test without modify
dc_relay_nets ?

Thanks your help.

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