migrate check for local rcpts to sendmail checks

diff --git a/.mutt/hooks b/.mutt/hooks
index 4613eda1cd29c6f94cde247bf51acfaed05e676c..4c809eb6a8f0b784d5c279dd23270b735ff11ea5 100644 (file)
--- a/.mutt/hooks
+++ b/.mutt/hooks
@@ -1,9 +1,6 @@
 save-hook . =store
 
 send2-hook '~C notyet' "set sendmail='~/.mutt/error 1 I will not send this draft yet!'"
-# this next works in combination with $use_domain to ensure I don't send
-# without expanding aliases:
-send2-hook '~C @$hostname' "set sendmail='~/.mutt/error 1 Check your recipients!'"
 
 send2-hook '~C @packages\.qa\.debian\.org' 'my_hdr X-PTS-Approved: please'
 

diff --git a/.mutt/sendmail-checks.d/no-local-recipients b/.mutt/sendmail-checks.d/no-local-recipients
new file mode 100755 (executable)
index 0000000..fa8de41
--- /dev/null
+++ b/.mutt/sendmail-checks.d/no-local-recipients
@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+# no-local-recipients – prevent messages to local recipients from being sent
+#
+# messages with recipients like foo@$HOSTNAME are an indication that mutt has
+# not expanded the aliases and thus appended $hostname (cf. $use_domain). In
+# my use-case, that's a reason not to send a message.
+#
+# Copyright © 2010 martin f. krafft <madduck@madduck.net>
+# Released under the terms of the Artistic Licence 2.0
+#
+set -eu
+
+shift # $1 is the tmpfile, we don't need that
+
+HOSTNAME=$(hostname --fqdn)
+
+ret=0
+for r in $@; do
+  case "$r" in
+    (*@${HOSTNAME}*)
+      echo >&2 "E: $r seems to be a local recipient, hence I won't send."
+      ret=1
+      ;;
+  esac
+done
+
+exit $ret