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How can I rebuild the "Trusted Hosts" list in Greylisting

Discussion in 'E-mail Discussion' started by Kent Brockman, Jun 29, 2016.

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  1. Kent Brockman

    Kent Brockman Well-Known Member

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    Hello guys. I have this server where after activating Greylisting, it has no entries in the Trusted Hosts list. Only the current host IP range is added to the whitelist.

    I've seen in the past that the list in charge of it is located at /etc/greylist_trusted_netblocks. In my other servers the list is complete with the built-in list of IP ranges from well known ESP as it is shipped with cPanel. But the same file in this server hasn't.

    I've tried copying the contents of one wortking file to this one with the issue, but after restarting Exim, it is reset and emptied again.

    Is there any command I can run to have it working back to normal?

    Thanks in advance!
     
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    #1 Kent Brockman, Jun 29, 2016
  2. rpvw

    rpvw Well-Known Member

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    Hi Kent,

    Look in your Common Mail Providers in Home » Email » Greylisting

    I think you will see the list of Mail Providers that are trusted and the auto-update options that trigger each upcp run.

    I have to assume that the fact that one cannot see the IP's of the Mail Providers in the Trusted Hosts section any more is by design, although this was certainly disconcerting when I first noticed it, one hopes that they are actually downloaded and used :confused:
     
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    #2 rpvw, Jun 30, 2016
    Last edited by a moderator: Jul 6, 2016
  3. Kent Brockman

    Kent Brockman Well-Known Member

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    It's weird at least. In all my other servers the Trusted Hosts list is correctly populated with the IP ranges of those ESP present in the Common Mail Providers list.

    I cannot keep enabled the Greylisting feature if it will constantly defer everything. I need a solution asap.

    Anybody from cPanel?
     
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    #3 Kent Brockman, Jun 30, 2016
  4. rpvw

    rpvw Well-Known Member

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    I ran a series of tests using various hosts, and all the mail sent from hosts listed and enabled in Common Mail providers that I was able to test; was delivered immediately, whilst all the others were seen to be added to the greylisting queue.

    I am quite happy in my own mind that the Common Mail Providers IP listings are being respected, even if they are not being shown in the Trusted Hosts page.
     
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    #4 rpvw, Jun 30, 2016
  5. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    Is the server in question using a different version of cPanel compared to the other servers?

    As of cPanel 58, the common mail provider IP list associated with the Greylisting feature is stored in the following file:

    /etc/greylist_common_mail_providers

    The "Trusted Hosts" list is separate, and designed for IP addresses you choose to manually trust.

    Thank you.
     
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    #5 cPanelMichael, Jul 6, 2016
  6. Kent Brockman

    Kent Brockman Well-Known Member

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    No. All servers are using the same cPanel version, cPanel stable 56.
    Still didn't find a solution. Is there any command or something to repopulate this list?
     
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    #6 Kent Brockman, Jul 15, 2016
  7. cPanelMichael

    cPanelMichael Forums Analyst
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    Here's an example of how the interface looks in cPanel version 56.0.28:

    greylisting.png

    As you can see, the "Common Mail Providers" tab includes the trusted hosts, and the "Trusted Hosts" tab is for IP addresses you manually add to the interface. Are you seeing something different?

    Thank you.
     
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    #7 cPanelMichael, Jul 25, 2016
  8. Kent Brockman

    Kent Brockman Well-Known Member

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    Thanks for your answers Michael. The support buddies told me that this behaviour I observed is due to the new way in which the Greylisting will handle Trusted Zones. In the old method you was able to see exactly what were the IP ranges of every Common Provider, maybe making some obnoxious to read the list of Trusted Zones. But now they are hidden to allow a more comprehensive view of what YOU have manually whitelisted.

    So, it was not a bug; it was indeed a feature :)
    Thanks and good bye
     
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    #8 Kent Brockman, Jul 25, 2016
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  9. cPanelMichael

    cPanelMichael Forums Analyst
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    I'm happy to see your question was answered. Thanks for updating us with the outcome.
     
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    #9 cPanelMichael, Jul 25, 2016
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