AnsweredAssumed Answered

IP address on realtime blacklist

Question asked by wendysl on Nov 10, 2013
Latest reply on Mar 13, 2014 by lorv


Emails to a particular email address get bounced back as undeliverable.  Error message is as follows:


The following message to <> was undeliverable.

The reason for the problem:

  1. 5.1.0 - Unknown address error 554-'5.7.1 on real-time blacklist'


According to the recipient, the IP address is on several real-time blacklists:



I have tried using Shaw webmail and get a very similar message except the IP address is slightly different.


I have never sent spam.  How do we get the IP address off the blacklists?