Hi pa,
User saya dapet bounced back email seperti ini:

From: System Administrator
Sent: Monday, October 15, 2012 2:12 PM
To: abhishek
Cc: '[email protected]'; 'Janine Eversmeyer'; 'Nina Katharina
Kaufhold'; '[email protected]'; '[email protected]';
'[email protected]'
Subject: Undeliverable: PT BAD 002 

Your message did not reach some or all of the intended recipients.
      Subject:  RE: PT BAD 002 
      Sent:     10/15/2012 2:11 PM
The following recipient(s) cannot be reached:
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      'Janine Eversmeyer' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      'Nina Katharina Kaufhold' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]
      '[email protected]' on 10/15/2012 2:12 PM
            550 SMTP Relay "Message rejected" [19.600000]


Lalu di Log seperti ini pa:
Mon 2012-10-15 13:37:25: ----------
Mon 2012-10-15 13:37:07: Session 351731; child 2
Mon 2012-10-15 13:37:07: Accepting SMTP connection from
[199.255.213.184:37862] to [192.0.0.4:587]
Mon 2012-10-15 13:37:07: --> 220-mail.asmaraindo.co.id ESMTP MSA MDaemon
12.5.3; Mon, 15 Oct 2012 13:37:07 +0700
Mon 2012-10-15 13:37:07: --> 220-***Asmara Karya Abadi Mail Server***
Mon 2012-10-15 13:37:07: --> 220-**Unauthorized RELAYING / SPAMMING will**
Mon 2012-10-15 13:37:07: --> 220-*cause PERMANENT BAN of the DOMAIN/IP*
Mon 2012-10-15 13:37:07: --> 220 *
Mon 2012-10-15 13:37:08: <-- EHLO abhishek
Mon 2012-10-15 13:37:08: --> 250-mail.asmaraindo.co.id Hello abhishek,
pleased to meet you
Mon 2012-10-15 13:37:08: --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Mon 2012-10-15 13:37:08: --> 250-8BITMIME
Mon 2012-10-15 13:37:08: --> 250-STARTTLS
Mon 2012-10-15 13:37:08: --> 250 SIZE
Mon 2012-10-15 13:37:09: <-- AUTH LOGIN
Mon 2012-10-15 13:37:09: --> 334 VXNlcm5hbWU6
Mon 2012-10-15 13:37:10: <-- YWJoaXNoZWtAYXNtYXJhaW5kby5jby5pZA==
Mon 2012-10-15 13:37:10: --> 334 UGFzc3dvcmQ6
Mon 2012-10-15 13:37:10: <-- ******
Mon 2012-10-15 13:37:10: --> 235 Authentication successful
Mon 2012-10-15 13:37:10: Authenticated as [email protected]
Mon 2012-10-15 13:37:11: <-- MAIL FROM: <[email protected]>
Mon 2012-10-15 13:37:11: --> 250 <[email protected]>, Sender ok
Mon 2012-10-15 13:37:12: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:12: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:13: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:13: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:13: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:13: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:14: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:14: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:15: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:15: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:16: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:16: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:17: <-- RCPT TO: <[email protected]>
Mon 2012-10-15 13:37:17: --> 250 <[email protected]>, Recipient ok
Mon 2012-10-15 13:37:18: <-- DATA
Mon 2012-10-15 13:37:18: Creating temp file (SMTP):
c:\mdaemon\queues\temp\md50000112045.tmp
Mon 2012-10-15 13:37:18: --> 354 Enter mail, end with <CRLF>.<CRLF>
Mon 2012-10-15 13:37:25: Connection closed
Mon 2012-10-15 13:37:25: SMTP session terminated (Bytes in/out: 47937/801)

Bisa mohon pencerahannya pa.

Trims,
Sandio




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