Residential IPs are generally gray listed. Same with any cloud provider IP pools. You can get a mail relay for sending email if you want an easy way. Or find a local colo who has their own IP block where you can host a small server. It might take a little time to warm up and build that reputation, but not impossible.
Residential IPs are generally gray listed. Same with any cloud provider IP pools. You can get a mail relay for sending email if you want an easy way. Or find a local colo who has their own IP block where you can host a small server. It might take a little time to warm up and build that reputation, but not impossible.