Add SMTP Honeypot

config/config.go

@@ -14,6 +14,7 @@ type Config struct {
 	Honeypot HoneypotConfig `toml:"Honeypot"`
 	Frontend FrontendConfig `toml:"Frontend"`
 	Ports    PortsConfig    `toml:"Ports"`
+	SMTP     SMTPConfig     `toml:"SMTP"`
 }
 type StoreConfig struct {
 	Type        string              `toml:"Type"`
@@ -54,6 +55,12 @@ type PortsConfig struct {
 	UDPPorts []string `toml:"UDPPorts"`
 }
 
+type SMTPConfig struct {
+	Enable        bool   `toml:"Enable"`
+	Addr          string `toml:"Addr"`
+	EnableMetrics bool   `toml:"EnableMetrics"`
+}
+
 func FromReader(r io.Reader) (Config, error) {
 	var c Config
 
@@ -63,6 +70,7 @@ func FromReader(r io.Reader) (Config, error) {
 	c.Frontend.ListenAddr = ":8080"
 	c.Frontend.LogLevel = "INFO"
 	c.Frontend.AccessLogEnable = true
+	c.SMTP.Addr = ":25"
 
 	// Read from config
 	decoder := toml.NewDecoder(r)