Add Content-type header to mails. Charset is set to utf-8, as the body is utf-8 encoded

main.py

@@ -150,6 +150,7 @@ def password_lost():
                 "To: %s" % user['email'],
                 "Subject: [Cavote] %s" % gettext(u"Lost password"),
                 "Date: %s" % time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()).decode('utf-8'),
+                "Content-type: text/plain; charset=utf-8",
                 "X-Mailer: %s" % VERSION,
                 "",
                 gettext(u"It seems that you have lost your password."),
@@ -284,6 +285,7 @@ def admin_user_add():
                             "To: %s" % user['email'],
                             "Subject: [Cavote] %s" % gettext(u"Welcome"),
                             "Date: %s" % time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()).decode('utf-8'),
+                            "Content-type: text/plain; charset=utf-8",
                             "X-Mailer: %s" % VERSION,
                             "",
                             "%(text)s %(user)s!" % {"text": gettext(u"Hi"), "user": user['name']},
@@ -608,6 +610,7 @@ def admin_vote_edit(voteid):
                                 "To: %s" % user['email'],
                                 "Subject: [Cavote] %s" % gettext(u"A vote has been opened for your group"),
                                 "Date: %s" % time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()).decode('utf-8'),
+                                "Content-type: text/plain; charset=utf-8",
                                 "X-Mailer: %s" % VERSION,
                                 "",
                                 "%(text)s %(title)s" % {"text": gettext(u"A vote has been opened and you are in a group concerned by it :"), "title": request.form['title']},

reminder.py

@@ -42,6 +42,7 @@ for vote in c.execute('select id, id_group, date_end, title from votes where is_
                     "To: %s" % user[1],
                     "Subject: [Cavote] %s" % gettext(u"Vote reminder - You didn't take part to it"),
                     "Date: %s" % time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()).decode('utf-8'),
+                    "Content-type: text/plain; charset=utf-8",
                     "X-Mailer: %s" % VERSION,
                     "",
                     "%s %s : %s" % (gettext(u"A vote concerns you and is going to terminate on"), vote[2], vote[3]),
@@ -64,6 +65,7 @@ for vote in c.execute('select id, id_group, date_end, title from votes where is_
                     "To: %s" % user[1],
                     "Subject: [Cavote] %s" % gettext(u"Vote reminder - Last days to modify your choice"),
                     "Date: %s" % time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime()).decode('utf-8'),
+                    "Content-type: text/plain; charset=utf-8",
                     "X-Mailer: %s" % VERSION,
                     "",
                     "%s %s : %s" % (gettext(u"A vote concerns you and is going to terminate on "), vote[2], vote[3]),