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I can't add to server > whitelist

Discussion in 'Plesk for Linux - 8.x and Older' started by unsichtbarre, Sep 19, 2006.

  1. unsichtbarre

    unsichtbarre Guest

    I have recently had trouble sending messages with Horde, getting the message "There was an error sending your message: unable to add recipient [xxx@xxxxxx.com]: Invalid response code received from server".
    I checked the knowledgebase and it says to add to the server whitelist, but plesk says "IP address/net mask pair invalid"

    Are there any solutions? Help appreciated in advance.