Email Threat Detection and Response

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Remove IP from Symantec Black List

  • 1.  Remove IP from Symantec Black List

    Posted 01-13-2020 11:58 AM

    Good morning,

    It is from many months that an our IP is inserted in your blacklist.

    When you try to use your IP removal tools we obtain the following response:

    The IP Address was found to have a negative reputation. Reasons for this assessment include:

    • The host has been observed sending spam in a format that is similar to snow shoe spamming techniques.
    • The host is unauthorized to send email directly to email servers.


    We ask to investigate, after we checked all configuration of our server.

    If we ask to other sites as Sender Score o Cisco Talos the IP is marked as Good Reputation.

    No other blacklist reveal our IP as listed.

    In this moment, your blacklist, blocked many our clean mail.

    We ask to remove our IP from your list or indicate clearly what type of problem we must resolve.



    Gianluigi Tufo

  • 2.  RE: Remove IP from Symantec Black List

    Posted 01-22-2020 11:21 AM

    All I can tell you is that you will need to contact Symantec Support to assist you further. 

    In researching this issue I have also found the below items:


    Symantec Support "IP Blacklist Removal"

    Check IP Reputation

    IP Address Investigation