From 33d6c2373325f1086cf023dc8f71b0f991a58ca6 Mon Sep 17 00:00:00 2001 From: Ronni Baslund Date: Thu, 11 Jun 2026 09:09:02 +0200 Subject: [PATCH] docs(stalwart): neutral SMTP banner in the white-label bootstrap notes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Applied live: x:MtaStageConnect smtpGreeting now 'hostname + ESMTP' (default leaked 'Stalwart ESMTP at your service' to banner scanners). EHLO/IMAP greeting strings are hardcoded upstream — accepted for now. --- infrastructure/production/host/stalwart/install.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/infrastructure/production/host/stalwart/install.sh b/infrastructure/production/host/stalwart/install.sh index 43ec8bc..e24ace8 100755 --- a/infrastructure/production/host/stalwart/install.sh +++ b/infrastructure/production/host/stalwart/install.sh @@ -155,7 +155,9 @@ warn " 3. remove the two STALWART_RECOVERY_* lines, restart again" warn " 4. white-label the groupware defaults via management JMAP:" warn " x:Calendar/set + x:AddressBook/set update singleton" warn " defaultDisplayName -> 'Calendar' / 'Contacts' (Stalwart ships" -warn " 'Stalwart Calendar'/'Stalwart Address Book')" +warn " 'Stalwart Calendar'/'Stalwart Address Book'); and the SMTP" +warn " banner: x:MtaStageConnect/set singleton smtpGreeting expression" +warn " system('hostname') + ' ESMTP' (default says 'Stalwart')" warn " • PTR/rDNS for the server IP MUST be 'mail.dezky.eu' (Hetzner Robot)." warn " • Publish DNS at simply.com: MX → mail.dezky.eu, SPF, DMARC; per-domain" warn " DKIM records come from Stalwart's dnsZoneFile via platform-api."