automatically ignore known forwarded addresses, fixes #64

config/config.go

@@ -27,6 +27,7 @@ func New() *Config {
 		Admins:       env.Slice("admins"),
 		Mailboxes: Mailboxes{
 			Reserved:   env.Slice("mailboxes.reserved"),
+			Forwarded:  env.Slice("mailboxes.forwarded"),
 			Activation: env.String("mailboxes.activation", defaultConfig.Mailboxes.Activation),
 		},
 		TLS: TLS{

config/types.go

@@ -72,6 +72,7 @@ type Monitoring struct {
 // Mailboxes config
 type Mailboxes struct {
 	Reserved   []string
+	Forwarded  []string
 	Activation string
 }