diff --git a/nomad/infrastructure.py b/nomad/infrastructure.py
index 7509413a9f2c0593ed6f67d8a2f5c6d7438cf32c..4e8d776a9291c23c2769a7012b18e796392b9d90 100644
--- a/nomad/infrastructure.py
+++ b/nomad/infrastructure.py
@@ -495,6 +495,7 @@ def send_mail(name: str, email: str, message: str, subject: str):
     msg = MIMEText(message)
     msg['Subject'] = subject
     msg['To'] = name
+    msg['From'] = config.mail.from_address
     to_addrs = [email]
 
     if config.mail.cc_address is not None: