Exchange server 2003 - Relay?

Below is a test foir relay and it seems that only the tests that have our domian name listed in the email address are able to relay?
Can I get some help with this...See below relays tests...
Method 7 Method 8 and method 14 are all not passing.....
Not sure what this is...?

[Method 0]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:56:59 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@mailradar.com>
 <<< 250 2.1.0 antispam@mailradar.com....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 1]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:01 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@mailradar.com>
 <<< 250 2.1.0 antispam@mailradar.com....Sender OK
 >>> RCPT TO: relaytest@mailradar.com
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 2]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:03 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam>
 <<< 250 2.1.0 antispam@biotone.com....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 3]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:05 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <>
 <<< 250 2.1.0 <>....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 4]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:07 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 5]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:09 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest%mailradar.com@[64.73.243.226]>
 <<< 550 5.7.1 Unable to relay for relaytest%mailradar.com@[64.73.243.226]
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 6]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:11 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest%mailradar.com.com@[biomail.biotone.com]>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 7]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:13 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <"relaytest@mailradar.com">
 <<< 250 2.1.5 "relaytest@mailradar.com"@biotone.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST NOT PASSED]

[Method 8]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:15 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <"relaytest%mailradar.com">
 <<< 250 2.1.5 "relaytest%mailradar.com"@biotone.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST NOT PASSED]

[Method 9]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:17 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com@[64.73.243.226]>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 10]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:19 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <"relaytest@mailradar.com"@[64.73.243.226]>
 <<< 550 5.7.1 Unable to relay for "relaytest@mailradar.com"@[64.73.243.226]
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 11]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:21 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com@biomail.biotone.com>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 12]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:23 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <@[64.73.243.226]:relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 13]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:26 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <@[biomail.biotone.com]:relaytest@mailradar.com>
 <<< 550 5.7.1 Unable to relay for relaytest@mailradar.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 14]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:28 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <mailradar.com!relaytest>
 <<< 250 2.1.5 mailradar.com!relaytest@biotone.com
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST NOT PASSED]

[Method 15]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:30 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <mailradar.com!relaytest@[64.73.243.226]>
 <<< 550 5.7.1 Unable to relay for mailradar.com!relaytest@[64.73.243.226]
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 16]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:32 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <mailradar.com!relaytest@[biomail.biotone.com]>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 17]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:34 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest%mailradar.com@>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT
 <<< 221 2.0.0 corp.biotone.com Service closing transmission channel
 [TEST PASSED]

[Method 18]
 <<< 220 corp.biotone.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Mon, 19 Sep 2011 13:57:36 -0700
 >>> HELO mailradar.com
 <<< 250 corp.biotone.com Hello [64.73.243.226]
 >>> MAIL FROM: <antispam@[64.73.243.226]>
 <<< 250 2.1.0 antispam@[64.73.243.226]....Sender OK
 >>> RCPT TO: <relaytest@mailradar.com@>
 <<< 501 5.5.4 Invalid Address
 >>> QUIT