Fix for not changing password in email settings

Improved ssl certificate check on sending emails

cps/tasks/mail.py

@@ -18,6 +18,7 @@
 
 import os
 import smtplib
+import ssl
 import threading
 import socket
 import mimetypes
@@ -192,8 +193,9 @@ class TaskEmail(CalibreTask):
         # on python3 debugoutput is caught with overwritten _print_debug function
         log.debug("Start sending e-mail")
         if use_ssl == 2:
+            context = ssl.create_default_context()
             self.asyncSMTP = EmailSSL(self.settings["mail_server"], self.settings["mail_port"],
-                                       timeout=timeout)
+                                       timeout=timeout, context=context)
         else:
             self.asyncSMTP = Email(self.settings["mail_server"], self.settings["mail_port"], timeout=timeout)
 
@@ -201,7 +203,8 @@ class TaskEmail(CalibreTask):
         if logger.is_debug_enabled():
             self.asyncSMTP.set_debuglevel(1)
         if use_ssl == 1:
-            self.asyncSMTP.starttls()
+            context = ssl.create_default_context()
+            self.asyncSMTP.starttls(context=context)
         if self.settings["mail_password_e"]:
             self.asyncSMTP.login(str(self.settings["mail_login"]), str(self.settings["mail_password_e"]))