If your domain is not hosted by Universal IT the following DNS-zoe records are required.
Note: only change the records of the type "MX" and that make sure any old MX records are deleted.
Type: MX Data: smtpgate01.enterexchange.com Priority: 10 Type: MX Data: smtpgate02.enterexchange.com Priority: 50
Should you require assistance in changing the DNS records, the Universal Support desk can be reached at +31262020000 or via firstname.lastname@example.org
If a SPF record is used for your domain the follow component needs to be added to the current record:
An example of a SPF record:
v=spf1 A MX include:spfprotection.enterexchange.com ?all