IP address with a poor reputation

More poor reputation IP addresses and Connection
refused due to abuse.  We need to send out a lot of e-mails starting tomorrow and can't have 30 or 40 of them coming back.  Please fix.

  ******@sasktel.net

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=OvdUj6=64=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.186.2] Connection originating from an IP address with a poor reputation.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=ioTlKa=64=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.185.9] Connection originating from an IP address with a poor reputation.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=ioTlKa=64=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.187.3] Connection originating from an IP address with a poor reputation.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=ioTlKa=64=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.185.1] Connection originating from an IP address with a poor reputation.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=39/cVL=62=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.186.3] Connection originating from an IP address with a poor reputation.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=39/cVL=62=harwoodselfstorage.com...>:

    550 5.7.1 H:DAD[66.96.189.9]Connection refused due to abuse.Please contact your E-mail provider.

    host mx1c11.megamailservers.com [69.49.101.234]

    SMTP error from remote mail server after MAIL FROM:<SRS0=39/cVL=62=harwoodselfstorage.com...>:

    550 5.7.1 H:IPI [66.96.185.2] Connection originating from an IP address with a poor reputation.