inputs.smtp-forward = {
url = "github:yvesf/smtp-forward";
inputs.nixpkgs.follows = "nixpkgs";
};
# ..
imports = [ smtp-forward.nixosModule ];
services.smtp-forward = {
enable = true;
mapping = "prefix:target@host.tld,prefix2:target2@email";
hostname = "domain-name.tld";
cert = "/var/lib/acme/domain-name.tld/fullchain.pem";
key = "/var/lib/acme/domain-name.tld/key.pem";
};