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Routing & IT System Administration

How to disable Plesk 9.5 Greylisting Filter with Postfix

with 2 comments

Due to the problems that Parallels seems to have to repair the Postfix Bugs since Version 9, deployed a year ago, the suffering clients need to get a workaround to their programming problems.

First it was the postfix-queue to deliver mail that had a bug related to antivirus and greylisting. Three upgrades later, version 9.3 the problem persists and the workaround was to disable the postfix proxy on

Now they have online the version 9.5.2 and still the have the same problem. Our clients can not deliver mail. Our phones are boiling and Plesk does not seems to matter what happen to us. The new workaround is disabling the GreyListing Service in Plesk Postfix. To do that:

/usr/local/psa/bin/grey_listing --update-server -status off

This will disable the greylisting, will allow your customers to deliver mail and time to wait `til Parallels hire a good programming team to repair all the Postfix development for Plesk.


Written by Root

May 11, 2010 at 10:53

Posted in Linux, Plesk

Tagged with ,

2 Responses

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  1. Thanks for the help. Solved my “queue file write errors”


    August 3, 2010 at 15:50

    • I am glad to help.

      It seems that in versión 9.5.3 this problem is totally resolved. I am still testing it.


      August 5, 2010 at 11:58

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