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Article ID : # Last review : 2007-03-15 10:35:00
#3082

Users are getting 5.1.1 rejected for spam reasons

 

5.1.1 error. Message rejected for spam reasons

If a user gets a bounce message stating 5.1.1, message rejected for spam reasons, either their own or their ISP's mail server is most likely not configured correctly.

In particular, check the senders email address and make sure that all the mail servers listed as MX records for that user actually accept email for it.

If you use the SmarterMail product, there is a bug which causes all mail address with the word 'postmaster' in them to be rejected. This is covered in a post on their own board here http://forums.smartertools.com/forums/post/26708.aspx. If you remove this 'postmaster' rule from the senders mail server the issue will resolve itself.

This message only gets used if the senders mail server rejects attempts from us to send the user an email. If the mail servers report that they cannot accept email for the senders address, there is no return route in any case, and the address is assumed invalid.

 

   
 

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Please note that all articles are the property of Microtech Limited and must not be re-produced without express written permission

#3092

Users are getting 5.1.1 rejected for spam reasons

 

5.1.1 error. Message rejected for spam reasons

If a user gets a bounce message stating 5.1.1, message rejected for spam reasons, either their own or their ISP's mail server is most likely not configured correctly.

In particular, check the senders email address and make sure that all the mail servers listed as MX records for that user actually accept email for it.

If you use the SmarterMail product, there is a bug which causes all mail address with the word 'postmaster' in them to be rejected. This is covered in a post on their own board here http://forums.smartertools.com/forums/post/26708.aspx. If you remove this 'postmaster' rule from the senders mail server the issue will resolve itself.

This message only gets used if the senders mail server rejects attempts from us to send the user an email. If the mail servers report that they cannot accept email for the senders address, there is no return route in any case, and the address is assumed invalid.

 

   
 

So that we can improve our search results, please let us know, did this help you? YES | NO

Please note that all articles are the property of Microtech Limited and must not be re-produced without express written permission


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