diff --git a/go.mod b/go.mod
index 8a41c30..6bb7070 100644
--- a/go.mod
+++ b/go.mod
@@ -6,5 +6,5 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/gofiber/fiber/v2 v2.12.0
 	github.com/sirupsen/logrus v1.8.1
-	github.com/streadway/amqp v1.0.0 // indirect
+	github.com/streadway/amqp v1.0.0
 )
diff --git a/modules/mailer/mailer.go b/modules/mailer/mailer.go
index fbeb39c..3c56279 100644
--- a/modules/mailer/mailer.go
+++ b/modules/mailer/mailer.go
@@ -31,7 +31,7 @@ type Mail struct {
 	BodyData   interface{}
 }
 
-func NewMail(to []string, templateId int, languageId int, bodyData interface{}) {
+func NewMail(to []string, templateId int, languageId int, bodyData interface{}) error {
 	log.Infoln("new mail", templateId, bodyData)
 
 	mail := Mail{
@@ -48,12 +48,17 @@ func NewMail(to []string, templateId int, languageId int, bodyData interface{})
 
 	if err != nil {
 		log.Fatalln("error parsing", err)
+		return err
 	}
 
-	mail.Send(body)
+	if err = mail.Send(body); err != nil {
+		return err
+	}
+
+	return nil
 }
 
-func (m *Mail) Send(body string) {
+func (m *Mail) Send(body string) error {
 	msg := "From: " + cfg.Mail.From + "\n" +
 		"To: " + strings.Join(m.To, ",") + "\n" +
 		"Subject: " + m.Subject + "\n" +
@@ -64,8 +69,10 @@ func (m *Mail) Send(body string) {
 
 	if err != nil {
 		log.Warnln("smtp error:", err)
+		return err
 	} else {
 		log.Debugln("send mail")
+		return nil
 	}
 }
 
diff --git a/modules/rabbitmq/rabbitmq.go b/modules/rabbitmq/rabbitmq.go
index ac12486..93e1e1c 100644
--- a/modules/rabbitmq/rabbitmq.go
+++ b/modules/rabbitmq/rabbitmq.go
@@ -49,15 +49,19 @@ func Init() {
 	log.Debug("RabbitMQ connected")
 
 	msgs, err := ch.Consume(
-		"mails",
-		"",
-		true,
-		false,
-		false,
-		false,
-		nil,
+		"mails", // queue
+		"",      // consumer
+		false,   // auto-ack
+		false,   // exclusive
+		false,   // no-local
+		false,   // no-wait
+		nil,     // args
 	)
 
+	if err != nil {
+		log.Fatalln("Consume err", err)
+	}
+
 	forever := make(chan []byte)
 
 	go func() {
@@ -74,7 +78,9 @@ func Init() {
 
 			log.Infoln("input", mail)
 
-			mailer.NewMail([]string{mail.Mail}, mail.TemplateId, mail.LanguageId, mail.BodyData)
+			if err = mailer.NewMail([]string{mail.Mail}, mail.TemplateId, mail.LanguageId, mail.BodyData); err == nil {
+				d.Ack(false)
+			}
 		}
 	}()