diff --git a/src/main/java/de/nclazz/service/mailrelay/MailRelayApplication.java b/src/main/java/de/nclazz/service/mailrelay/MailRelayApplication.java
index 0f062c4..ede1b40 100644
--- a/src/main/java/de/nclazz/service/mailrelay/MailRelayApplication.java
+++ b/src/main/java/de/nclazz/service/mailrelay/MailRelayApplication.java
@@ -3,9 +3,11 @@ package de.nclazz.service.mailrelay;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
+import org.springframework.scheduling.annotation.EnableAsync;
 
 import java.time.Clock;
 
+@EnableAsync
 @SpringBootApplication
 public class MailRelayApplication {
 
diff --git a/src/main/java/de/nclazz/service/mailrelay/adapter/mail/MailMessageForwarder.java b/src/main/java/de/nclazz/service/mailrelay/adapter/mail/MailMessageForwarder.java
index 62f1457..8042f5e 100644
--- a/src/main/java/de/nclazz/service/mailrelay/adapter/mail/MailMessageForwarder.java
+++ b/src/main/java/de/nclazz/service/mailrelay/adapter/mail/MailMessageForwarder.java
@@ -6,6 +6,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.SneakyThrows;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 
 import javax.mail.internet.MimeMessage;
@@ -17,11 +18,14 @@ public class MailMessageForwarder implements MessageForwarder {
 
     private final JavaMailSender javaMailSender;
 
+    @Async
     @SneakyThrows
     @Override
     public void forwardMessage(@NonNull String subject, @NonNull String content,
                                @NonNull String from, @NonNull List<String> receivers) {
 
+
+
         MimeMessage mimeMessage = this.javaMailSender.createMimeMessage();
         MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, false, "UTF-8");
         mimeMessageHelper.setFrom(from);