Exactly - headers is how SSLH does its "routing". Sorry about the S3/EC2 confusion, but in the end it's still a better idea to go with a smaller VPS resaler to

Exactly - headers is how SSLH does its "routing". Sorry about the S3/EC2 confusion, but in the end it's still a better idea to go with a smaller VPS resaler to avoid preexisting subnet blacklists.