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This is for advanced users:
If you plan to use an outside mail server, please be aware of the fact that you MUST disable your mail on our systems. Within cPanel you can change the priority or at the very least disable your MX entry. You can manage your MX records by clicking MX Entry - This takes you to MX Entry Maintenance, and by default your Parcom account delivers mail "locally" to a Local Mail Exchanger. Those of you chosing to not use your mail, must change this to Remote Mail Exchanger.
The priorities of your new MX records should be given to you by your mail server administrator, and keep in mind if you add more complexity to this by using outside name servers too, you need to be VERY good at maintaining our name servers and theirs, because we don't manage both outside name servers nor your third party mail server naturally. These things get over looked by even the best mail server administrators due to doing too many things at once.
NOTES:
- By default, mail delivers internally in Parcom - ALWAYS.
- Outside mail servers are fine to use, but we do not support your mail delivery issues. We just can't. You are responsible at that point.
- Adding a complicated third party name server outside of Parcom is also not supported, this requires some serious name server and mail server expertise that also is not in our support agreement with you. You can do all kinds of things, but be aware our internal standard of using our mail systems and our name servers is what we support - anything outside the standard is your responsiblity.
Problematic scenario that you can learn from:
If a customer signs up for a domain within the Parcom network, but chooses to use a mail service provider outside of Parcom and also a third party name server service mail internally will always resort to the default mail systems inside of Parcom. That customer needs to disable the MX and mail system inside of Parcom in order to use the outside mail server for starters. The outside name servers will have to be manually mirrored to contain the same MX entries on that outside name servers too. Parcom cannot do this, the customer has to maintain and allow our name servers to have that data - and that topic is outside the scope of this article or our service level with you. Very advanced customers are well capable of configuring our name servers to mirror other third party name servers or vice versa, and again, that is up to you on how you achieve that - and we do not do that for you.
The issues most people do not understand about the complexities of networking is adding too many third party systems into the mix. You have to have a clear birds eye view of what you are trying to accomplish because Parcom is responsible for customers using all our systems at the same time. Anything outside of that becomes more complicated for us to support - so we encourage you to be careful, plan ahead, and understand name services and MX records to an "expert" level degree.
Problem free scenario:
Using our name servers exclusively can remove the complex name server lookups, proper reverse look ups, and be a lot quicker than many third party name servers anyway. Centralize around Parcom's name servers first - you will thank us later no matter what you do with mail delivery.
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