I've been back and fourth with Zoho, however, I cannot get a straight answer - I have my own domain and currently use Thunderbird on 3 machines via IMAP.

I'd like to test Zoho Mail and have subscribed to the standard package. I want to be able to use my company email in Zoho without having to change my MX settings - the idea being, if it doesn't help our workflow and I decide not to use Zohomail, I can revert back to Thunderbird without losing any of that interim content. 

I also have the CRM & Campaign subscriptions, the CRM can access my emails (though that may only be for addresses added as contacts within the CRM). I would've thought ZM could likewise work in tandem.

An employee told me it could be done without MX update and provided  This link ,however , the 2nd line of this page states " you will not be able to receive emails until you configure the MX records for your domain."

Surely this issue can't be that complicated, I just need a straight answer!