JTWrenn Posted April 12, 2013 Share Posted April 12, 2013 I recieved the following message when sending email to a certain client. "Their IP does not like recipient. Remote host said: 554 service unavailable; client host [18.104.22.168] blocked using bl.spamcop.net; blocked -see http://www.spamcop.net/bl.shtml?22.214.171.124 giving up on Their IP" I checked the spam filter right away and am have a monitor on blacklists to ensure we were not listed. We were listed several weeks ago, but the problem has not gone away. Any assistance would be appreciated. Thank you Link to comment Share on other sites More sharing options...
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