Transfer cPanel Business Emails to ZOHO - Permanently

Transfer cPanel Business Emails to ZOHO - Permanently

Greetings sir ,

I'm trying to setup my business emails onto ZOHO mail services using website domain.

The steps iv'e managed to complete so far are :

Verified  the domain - Valid DKIM 
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The SPF and MX records are a bit tricky to setup , here is why .

I currently have two dedicated servers : One is hosting my emails and the other my website ( Two separate cPanels)

Since they are both two separate servers I don't have to worry for my emails if the website goes down .

- The website is under cloud-flare protection , so many of my DNS editing can be done there I believe .

- The SPF record for the domain is still propagating I guess.

- I've managed to validate the MX records but there is a problem , my current emails  are not able to receive any messages at all , so I changed the priority of the mail.domain.com back to 0 , followed by the ZOHO MX records .

Screenshot : http://prnt.sc/etp70a

What I want to accomplish is to TRANSFER all my emails onto ZOHO platform from the email server I'm using right now then i can safely disable it .
I can't afford to lose any important emails in the meantime .

Can you guide me through the process of the setup ?

Kind Regards,