I am trying to add a custom domain to SimpleLogin. I added the required MX records to my registrar, Godaddy, but records not verifying with SimpleLogin.
I already have this same custom domain with Proton Mail. I am not sure how this works. Do I need to set different priorities for the MX records? I can’t find any info within SimpleLogin related to MX conflicts if you already have it setup with Proton Mail.