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How do I downgrade?

Discussion in 'Plesk for Linux - 8.x and Older' started by sublibrarian, Dec 3, 2010.

  1. sublibrarian

    sublibrarian Guest


    I upgraded to 8.6.0 and since that moment Qmail is not sending messages. It's usually "451 qq read error" and then immediately "502 Unimplemented". I have applied every single patch and workaround I have been able to find, have restarted psa and qmail every time I have applied those patches, etc. but I still get the same errors.

    When trying to upgrade to a 9.x.x version, the system does just nothing, all I can see is the usual message with the green tick. After a while, nothing happens, also nothing happens after the "service psa restart". And no mail received, of course - see above.

    So, how do I downgrade to the previous Plesk version (8.2 I think it was), I think it's the only sensible solution.