Plesk mx record change

To change an MX, A or CNAME record do the following:
    Log into Plesk
    Click on Domains
    Click on the domain name in question
    Click on the arrow next to the words "Web Site" and choose DNS Settings


To change an MX record:
    Click on the MX record to edit
     Leave "Record type" as MX
     Leave "Enter mail domain" blank
     Change the "Enter mail exchanger" to the name of your mail server
     If necessary, change the "Specify priority of mail exchange server" to the desired setting.

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To get to the DNS editor, do the following:
    Log into Plesk
    Under Hosting Services, click on Domains
    Find the domain in question, and click on the corresponding link that says "Control Panel" (on the far right side)
    Click the "Websites & Domains" tab
    Click the "DNS Settings" link
    Click on "[Manage]" for the appropriate domain
     To edit an existing record, click on the record under "Host"

MX records
     Change the "Record type" to MX (if necessary)
     "Mail domain" should be left blank
      Set the "Mail exchange server" the name of your mail server (for example ghs.google.com)
      The party who gave you the mail exchange server name may have also given you a priority number; if   not, "very high(0)" is perfect

After making your changes, click on OK. The changes will take between 4 to 8 hours to update worldwide.