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Unable to send email to us


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** The following was originally posted by new member "benno" copied here to make the question more accessible. **

Dear Sirs,

Our customer send email to my colleague was reported as spam and got bounce back message as below:

The original message was received at Mon, 13 Mar 2017 16:11:10 -0400 from

atl4obmail01pod1.mgt.hosting.qts.netsol.com []




This email is being returned to you because the remote server would not or

could not accept the message. The registeredsite servers are just reporting

to you what happened and are not the source of the problem.


The address which was undeliverable is in the section labeled:

  "----- The following addresses had permanent fatal errors -----".


The reason your mail is being returned to you is in the section labeled:

  "----- Transcript of Session Follows -----".


This section describes the specific reason your e-mail could not be



Please direct further questions regarding this message to your e-mail



--Registeredsite Postmaster


   ----- The following addresses had permanent fatal errors -----


    (reason: 550-"JunkMail rejected - atl4mhob18.myregisteredsite.com



   ----- Transcript of session follows ----- ... while talking to


>>> DATA

<<< 550-"JunkMail rejected - atl4mhob18.myregisteredsite.com

[]:58304 <<< 550 is in an RBL, see Blocked - see


550 5.1.1 <timbird@forsan.com.hk>... User unknown

451 4.4.1 reply: read error from forsan.com.hk.



Can you please help to remove timbird@forsan.com.hk from your block list??

Thank you.

Benno Mou

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If you follow the link in your post you will see that IP is no longer listed.

However, you should know that the IP was listed because someone there has send enough to people or spam traps to get the IP listed on the block list.  People receiving email from the given IP have reported the email to SpamCop. When enough reports or spam trap hits are received, the IP will be listed.  Although you may want to receive email from this IP, others do not.

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