diff --git a/.flaskenv b/.flaskenv
index f88b6e5b9015d74cef7f8cb429bbf93297cb1d75..0a7611db03c62e8a30c90a199104a8420d0bed3f 100644
--- a/.flaskenv
+++ b/.flaskenv
@@ -1,2 +1,4 @@
 FLASK_APP=opaque.py
 FLASK_ENV=development
+OPAQUE_MAIL_SUBJECT_PREFIX=[Opaque]
+OPAQUE_MAIL_SENDER=Opaque Admin <inf_sfb1288@uni-bielefeld.de>