diff --git a/app/src/main/res/xml/providers.xml b/app/src/main/res/xml/providers.xml
index 33096cdc3b..2c3836c7a2 100644
--- a/app/src/main/res/xml/providers.xml
+++ b/app/src/main/res/xml/providers.xml
@@ -245,8 +245,8 @@
             starttls="false" />
         <smtp
             host="mail.gmx.net"
-            port="587"
-            starttls="true" />
+            port="465"
+            starttls="false" />
     </provider>
     <provider
         name="disroot.org"