Like so many others, my outgoing emails are being returned. According to the provided link, the shared web IP 198.46.82.107 has been listed. I have forward the returned email to support@webhostinghub.com as indicated on your Help Center website.

Q1- What further actions do I need to take to ensure that this issue is resolved?

Q2 - What is WebHostingHub doing to ensure that this does not happen again?

Below is a copy of the text form the returned email.

This message was created automatically by mail delivery software.
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:
william.hurtes@*****.ac.nz
host mx1.canterbury.ac.nz [132.181.2.27]
SMTP error from remote mail server after RCPT TO:<william.hurtes@*****.ac.nz>:
530 5.7.1 Mail from 198.46.82.107 blocked using Trend Micro Email Reputation database. Please see <http://www.mail-abuse.com/cgi-bin/lookup?198.46.82.107>:
william.hurtes@*****.ac.nz

------ This is a copy of the message, including all the headers. ------
Return-path: <william@*****.info>
Received: from localhost ([::1]:32241 helo=secure35.webhostinghub.com)
by ehub35.webhostinghub.com with esmtpa (Exim 4.85)
(envelope-from <william@*****.info>)
id 1ZCiyE-0001ia-GT
for william.hurtes@*****.ac.nz; Wed, 08 Jul 2015 02:36:38 -0400
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII;
format=flowed
Content-Transfer-Encoding: 7bit
Date: Wed, 08 Jul 2015 18:36:38 +1200
From: William Hurtes <william@*****.info>
To: william.hurtes@*****.ac.nz
Subject: test
Message-ID: <1ab031d363163ec9dc8d9cc0b4c5423e@*****.info>
X-Sender: william@*****.info
User-Agent: Roundcube Webmail/1.0.5
X-OutGoing-Spam-Status: No, score=-1.0