ref: 4a9c478b992167342863a85a3f614099bc434239
parent: d9fa8fc465f9a4397db69ebc51a452f5557750e2
author: mia soweli <mia@soweli.net>
date: Sat Aug 16 13:50:46 EDT 2025
upas/smtpd: improve default configuration how about not relaying by default, and verifying sender domains. plus use domain names and ip ranges that are actually reserved for documentation use.
--- a/sys/lib/dist/mail/lib/smtpd.conf
+++ b/sys/lib/dist/mail/lib/smtpd.conf
@@ -1,14 +1,14 @@
#
-# sample smtpd configuration options for inside connections
+# sample smtpd configuration options
#
#
-# replace YOURDOM with the name of your domain
-# replace 10.0.0.0 with the IP address range of your networks
+# replace example.com with the name of your domain
+# replace 192.0.2.0/24 with the IP address range of your networks
-defaultdomain YOURDOM.com
-norelay off #allow relaying
-verifysenderdom off #disable dns verification of sender domain
+defaultdomain example.com
+norelay on #deny relaying
+verifysenderdom on #require dns verification of sender domain
saveblockedmsg off #save blocked messages
#
@@ -17,6 +17,6 @@
# as well as the domains to accept mail for
#
-# ournets 192.168.0.0/16
+# ournets 192.0.2.0/24
+# ourdomains *.example.com, example.com
-# ourdomains *.fakedom.dom, *.fakedom.rog
--
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