I'm not an expert, but I believe that each subdomain needs to improve its own spam score.
Getting to a point where you can automatically send emails from any domain is easy.
Getting it to arrive to any inbox is the expensive part.
I'm not an expert, but I believe that each subdomain needs to improve its own spam score.
Getting to a point where you can automatically send emails from any domain is easy.
Getting it to arrive to any inbox is the expensive part.