diff --git a/setup/mail-postfix.sh b/setup/mail-postfix.sh
index d62478e1..0e7c6112 100755
--- a/setup/mail-postfix.sh
+++ b/setup/mail-postfix.sh
@@ -66,7 +66,7 @@ tools/editconf.py /etc/postfix/main.cf \
 	smtp_bind_address=$PRIVATE_IP \
 	smtp_bind_address6=$PRIVATE_IPV6 \
 	myhostname=$PRIMARY_HOSTNAME\
-	smtpd_banner="\$myhostname ESMTP Hi, I'm a Mail-in-a-Box (Ubuntu/Postfix; see https://mailinabox.email/)" \
+	smtpd_banner="\$myhostname ESMTP" \
 	mydestination=localhost
 
 # Tweak some queue settings: