diff --git a/etc/unix-sample.conf b/etc/unix-sample.conf
index 33e9a0f..f42c2f2 100644
--- a/etc/unix-sample.conf
+++ b/etc/unix-sample.conf
@@ -20,11 +20,15 @@ level=INFO
 ip4.address=0.0.0.0
 
 # IPv4 port to listen for SMTP connections on.
-ip4.port=2500
+ip4.port=25
 
 # used in SMTP greeting
 domain=inbucket.local
 
+# optional: mail sent to accounts at this domain will not be stored,
+# for mixed use (content and load testing)
+#domain.nostore=bitbucket.local
+
 # Maximum number of RCPT TO: addresses we allow from clients, the SMTP
 # RFC recommends this be at least 100.
 max.recipients=100
@@ -47,7 +51,7 @@ store.messages=true
 ip4.address=0.0.0.0
 
 # IPv4 port to serve HTTP web interface on
-ip4.port=9000
+ip4.port=80
 
 # Name of web theme to use
 theme=integral