Utility to test mails

src/test-mail

+#!/usr/bin/perl
+
+# Copyright (C) 2017  Tetras Libre <admin@tetras-libre.fr>
+# Author: Beniamine, David <David@Beniamine.net>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+use warnings;
+use threads ('yield',
+    'stack_size' => 64*4096,
+    'exit' => 'threads_only',
+    'stringify');
+use utf8;
+use MIME::Lite;
+
+sub do_sendmail($$$);
+
+# Send subject, message by email to root
+sub do_sendmail($$$){
+    my ($subject, $message, $retry) = @_;
+
+    utf8::encode($subject);
+    utf8::encode($message);
+    my $msg = MIME::Lite->new(
+        From     => 'tetras-back',
+        To       => 'root',
+        Subject  => "[Tetras-back] $subject",
+        Type     => 'multipart/mixed'
+    );
+    $msg->attr("content-type.charset" => "UTF-8");
+    $msg->attach(
+        Type    => 'text/plain; charset=UTF-8',
+        Data    => $message,
+    );
+    eval{ $msg->send() };
+    if($@){
+        if($retry == 0){
+            do_sendmail($subject,$message,1);
+        }
+    }else{
+        print("Etat envoyé par courriel");
+    }
+}
+
+do_sendmail("[Tetras-back] Test", "Ceci est un message de test du système de sauvegardes", 0);