And then remove the "`a mx include:_spf.google.com`" part from your SPF. `a`: Cloudflare HTTP Rever
And then remove the "
a mx include:_spf.google.com" part from your SPF.a: Cloudflare HTTP Reverse Proxies will never send on your domain's behalf.mx: Is pointing to Cloudflare's INBOUND mail servers, they do NOT send OUTBOUND and should not be listed in your SPF.include:_spf.google.com: The "trick" will always authenticate as the @gmail.com, and expose the real Gmail address. Since the SPF is done on gmail.com, you're overauthorizing by having include:_spf.google.com, which - depending on the eyes looking at it, is a security issue / risk.
