550 smtpGated01 Connection rejected due to DNSBL: DNSBL: zen.spamhaus.org: 127.0.0.4

"[email protected] [blat]" <[email protected]>
Newsgroups gmane.mail.blat
Message-ID <[email protected]>
I've sent the following log the the SMTP Service provider, but they said the IP 127.0.0.4 is NOT their IP, and i try to ping "mail6.hosting.net.hk", the IP is 123.176.100.23, would like to ask for help, I am lost.....
 

 Log: 
 2015.05.14 17:40:30 (Thu)------------Start of Session-----------------
 Blat v3.2.4 (build : Feb 24 2015 21:29:33)
 32-bit Windows, Full, Unicode
 <<<getline<<< 220 mail6.hosting.net.hk ESMTP
 >>>putline>>> EHLO ............
 <<<getline<<< 250-mail6.hosting.net.hk
 <<<getline<<< 250-STARTTLS
 <<<getline<<< 250-AUTH LOGIN PLAIN
 <<<getline<<< 250-AUTH=LOGIN PLAIN
 <<<getline<<< 250-PIPELINING
 <<<getline<<< 250 8BITMIME
 Sending readme.txt to [email protected]
 Subject: TESTING
 Login name is [email protected]
 Try number 1 of 10.
 >>>putline>>> MAIL FROM:<[email protected]>
 <<<getline<<< 550 smtpGated01 Connection rejected due to DNSBL: DNSBL: zen.spamhaus.org: 127.0.0.4
 *** Error ***  The SMTP server does not like the sender name.
 *** Error ***  Have you set your mail address correctly?
 >>>putline>>> QUIT
 <<<getline<<< 221 smtpGated01 Signing off.
 
 2015.05.14 17:40:30 (Thu)-------------End of Session------------------
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