Also set From header for normal mail.

setup.py

@@ -5,7 +5,7 @@ os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
 
 setup(
     name='ticdesk',
-    version='0.12.2',
+    version='0.12.3',
     packages=find_packages(),
     include_package_data=True,
     author='Teckids e.V.',

ticdesk/settings.py

@@ -166,6 +166,7 @@ STATICFILES_DIRS = [
 ]
 
 ADMINS = [('Teckids e.V. Admins', 'root@teckids.org')]
+DEFAULT_FROM_EMAIL = 'www-data@ticdesk.teckids.org'
 SERVER_EMAIL = 'www-data@ticdesk.teckids.org'
 EMAIL_SUBJECT_PREFIX = '[Ticdesk] '