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<p>A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:</p>
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<p>  alexcruzfab@hotmail.com</p>
<p>    host eig-east.smtp.a.cloudfilter.net [3.228.35.199]</p>
<p>    SMTP error from remote mail server after end of data:</p>
<p>    550 Connection Rejected - see http://www.spamhaus.org/query/ip/168.196.197.55 AUP#BL</p>
<p>  alexcruzfab@gmail.com</p>
<p>    host eig-east.smtp.a.cloudfilter.net [18.215.58.191]</p>
<p>    SMTP error from remote mail server after end of data:</p>
<p>    550 Connection Rejected - see http://www.spamhaus.org/query/ip/168.196.197.55 AUP#BL</p>