diff --git a/src/ui/dialogs/mail.py b/src/ui/dialogs/mail.py
index 6639ac3..e272ed6 100644
--- a/src/ui/dialogs/mail.py
+++ b/src/ui/dialogs/mail.py
@@ -38,6 +38,7 @@ class Mail_Dialog(QtWidgets.QDialog, Ui_Dialog):
         self.subject = app_subject
         self.profname = prof_name
         self.mail_data = ""
+        self.signature = self.determine_signature()
         self.prof_mail = prof_mail
         self.comboBox.currentIndexChanged.connect(self.set_mail)
         self.prof_name.setText(prof_name)
@@ -67,6 +68,15 @@ class Mail_Dialog(QtWidgets.QDialog, Ui_Dialog):
     #     # assign data["general"] to self.data
     #     self.data = data["general"]
 
+    def determine_signature(self):
+        if config.mail.signature == None:
+            return """Mit freundlichen Grüßen
+Ihr Semesterapparatsteam
+Mail: semesterapparate@ph-freiburg.de
+Tel.: 0761/682-778"""
+        else:
+            return config.mail.signature
+
     def load_mail_templates(self):
         print("loading mail templates")
 
@@ -108,6 +118,7 @@ class Mail_Dialog(QtWidgets.QDialog, Ui_Dialog):
             AppNr=self.appid,
             AppSubject=self.subject,
             greeting=self.get_greeting(),
+            signature=self.signature,
         )
 
         self.mail_body.setHtml(mail_html)