skip email on self hosted

Author: goenning

app/tasks/signup.go

@@ -5,6 +5,7 @@ import (
 	"github.com/getfider/fider/app/models/cmd"
 	"github.com/getfider/fider/app/models/dto"
 	"github.com/getfider/fider/app/pkg/bus"
+	"github.com/getfider/fider/app/pkg/env"
 	"github.com/getfider/fider/app/pkg/web"
 	"github.com/getfider/fider/app/pkg/worker"
 )
@@ -30,8 +31,13 @@ func SendSignUpEmail(action *actions.CreateTenant, baseURL string) worker.Task {
 }
 
 // SendWelcomeEmail is used to send a welcome email to new tenant admin
+// This email is not sent on self hosted instaces
 func SendWelcomeEmail(name, email, baseURL string) worker.Task {
 	return describe("Send welcome email", func(c *worker.Context) error {
+		if env.IsSingleHostMode() {
+			return nil
+		}
+
 		to := dto.NewRecipient(name, email, dto.Props{
 			"name": name,
 			"url":  link(baseURL, "/"),