Resolve "Check Email Service in production"

Related to #395 (closed)

src/main/resources/config/application-prod.yml

@@ -46,9 +46,9 @@ spring:
         useServerPrepStmts: true
   # jpa:
   # elasticsearch:
-    # rest:
-      # set by spring config
-      # uris: http://sharing_elasticsearch:9200
+  # rest:
+  # set by spring config
+  # uris: http://sharing_elasticsearch:9200
   # Replace by 'prod, faker' to add the faker context and have sample data loaded in production
   liquibase:
     contexts: prod
@@ -58,6 +58,11 @@ spring:
     username: ${MAIL_USERNAME}
     password: ${MAIL_PASSWORD}
     from: no-reply@uibk.ac.at
+    smtp:
+      auth: true
+      starttls:
+        enable: true
+        required: true
     enabled: true
   thymeleaf:
     cache: true