mta

type AuthTest func(login, password string) (ok bool)

type HostOption struct {
	// The name of the host
	Name string
	// Dkim PEM key file
	DkimKey string
	// The text DNS selector
	DkimSelector string
	// The certificate and key for the TLS connexion
	Cert, Key string
}

type Option struct {
	// The log output
	Out io.Writer
	// Listen address
	Addrs []string
	// All the hosts
	Hosts []HostOption

	AuthTest AuthTest
	// the file that contain login and password. Used if AuthTest is nil
	AuthFile string
}