commit 50fd3e2cf7907039fc2ab5a3c5e028bb9579d9de
Author: Per Olofsson <pelle@pqz.se>
Date:   Sat Sep 19 11:54:23 2015 +0200

    Add $MAILER support to xdg-email.
    
    Bug: https://bugs.freedesktop.org/show_bug.cgi?id=6615
    Bug-Debian: http://bugs.debian.org/574131

diff --git a/scripts/xdg-email.in b/scripts/xdg-email.in
index a45832f..9bbbab6 100644
--- a/scripts/xdg-email.in
+++ b/scripts/xdg-email.in
@@ -188,6 +188,23 @@ open_xfce()
     fi
 }
 
+open_envvar()
+{
+    local OLDIFS="$IFS"
+    IFS=:
+    for i in $MAILER; do
+	IFS="$OLDIFS"
+
+	eval "$i" '"$1"'
+
+	if [ $? -eq 0 ]; then
+	    exit_success
+	fi
+    done
+
+    exit_failure_operation_failed
+}
+
 open_generic()
 {
     local client
@@ -401,6 +418,10 @@ if [ x"$DE" = x"" ]; then
     DE=generic
 fi
 
+if [ x"$MAILER" != x"" ]; then
+    DE=envvar
+fi
+
 # if BROWSER variable is not set, check some well known browsers instead
 if [ x"$BROWSER" = x"" ]; then
     BROWSER=links2:elinks:links:lynx:w3m
@@ -410,6 +431,10 @@ if [ x"$BROWSER" = x"" ]; then
 fi
 
 case "$DE" in
+    envvar)
+    open_envvar "${mailto}"
+    ;;
+
     kde)
     open_kde "${mailto}"
     ;;