I am using cloudflare dns management
I am using few smtp provider, each of them had their own sfp, dkim and dmarc.
I know I can configure multiple SFP, and DKIM in my DNS, but when I try to configure another DMARC, it shows error: An A, AAAA or CNAME record already exists with that host. (Code: 81053)
I found that my hostname _dmarc and value to_dmarc.FirstProvider.com
how can I add in _dmarc.SecondProvider.com ?