From 51fa2a6fd90dfdc88b80aade5d92d0617c52bf4e Mon Sep 17 00:00:00 2001 From: David Duque Date: Thu, 17 Feb 2022 23:28:20 +0000 Subject: [PATCH] Change the SMTP banner as not to disclose the operating system (which was set to be always 'Debian') --- setup/mail-postfix.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/setup/mail-postfix.sh b/setup/mail-postfix.sh index 42aba9b..58be132 100755 --- a/setup/mail-postfix.sh +++ b/setup/mail-postfix.sh @@ -58,7 +58,7 @@ management/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 Power Mail-in-a-Box (Debian/Postfix)" \ + smtpd_banner="\$myhostname ESMTP Power Mail-in-a-Box (Postfix)" \ mydestination=localhost # Tweak some queue settings: