[postfix] Rewrite sender for outgoing email.

`myorigin` specifies the address of outgoing email (user@domain). It
defaults to `$myhostname = gethostname()`. This allows rewriting the
sender of outgoing email without changing configuration.

diff --git a/postfix/README b/postfix/README
index df7e75ea901933e9d302ccce44dc3583b71fcc09..2b972adcb4161190ea5e8b494daacc2249a879e9 100644 (file)
--- a/postfix/README
+++ b/postfix/README
@@ -22,6 +22,15 @@ Install
 $ apt install postfix
 ```
 
+Notes
+-----
+
+Set MTA server hostname, which is used by `$myhostname`.
+
+```
+$ hostname <hostname>
+```
+
 Resources
 ---------
 

diff --git a/postfix/main.cf b/postfix/main.cf
index 63d6a574fed3af72e80787e8e36b93e5f4e95be6..449a3bfa66248297dc0810259e3e021295117f56 100644 (file)
--- a/postfix/main.cf
+++ b/postfix/main.cf
@@ -1,11 +1,5 @@
 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
 
-
-# Debian specific:  Specifying a file name will cause the first
-# line of that file to be used as the name.  The Debian default
-# is /etc/mailname.
-#myorigin = /etc/mailname
-
 smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
 biff = no