I am trying to send an email, and I keep getting the following message:
"Your message did not reach some or all of the intended recipients.
Sent: Fri, 8 Oct 2010 11:43:52 -0400 (ada)
Subject: RE: Tracker drawings and shop visit
The following recipient(s) could not be reached:email@example.com
Error Type: SMTP
Remote server (220.127.116.11) issued an error.
hMailServer sent: RCPT TO:<firstname.lastname@example.org>
Remote server replied: 550 5.7.1 <email@example.com>... H:RPBL
[18.104.22.168] Connection refused due to abuse. Please contact your E-mail
I have changed the real recipient here for privacy reasons. Why does this message keep coming up? I have confirmed that the email address is correct. What should be done?