So, if a domain name is bought through Google for example and I want the web site to be hosted with Siteground and the email to remain with Google, I change the nameservers to the siteground server.

Then, I need to change the MX records via cpanel to the following:

Remote Mail Exchanger:

Priority 1 - ASPMX.L.GOOGLE.COM

Priority 5 - ALT1.ASPMX.L.GOOGLE.COM

Priority 5 - ALT2.ASPMX.L.GOOGLE.COM

Priority 10 - ALT3.ASPMX.L.GOOGLE.COM

Priority 10 - ALT4.ASPMX.L.GOOGLE.COM

If these are not added then the emails will not get through !

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