diff --git a/wallabag_kindle_consumer/sender.py b/wallabag_kindle_consumer/sender.py
index 5f348db..33fc47e 100644
--- a/wallabag_kindle_consumer/sender.py
+++ b/wallabag_kindle_consumer/sender.py
@@ -5,6 +5,10 @@ from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from email.utils import formatdate
 
+from logbook import Logger
+
+logger = Logger(__name__)
+
 
 class Sender:
     def __init__(self, loop, from_addr, smtp_server, smtp_port, smtp_user=None, smtp_passwd=None):
@@ -15,17 +19,17 @@ class Sender:
         self.user = smtp_user
         self.passwd = smtp_passwd
 
-    def _send_mail(self, job, data):
+    def _send_mail(self, title, article, format, email, data):
         msg = MIMEMultipart()
-        msg['Subject'] = job.title
+        msg['Subject'] = title
         msg['From'] = self.from_addr
-        msg['To'] = job.user.kindle_mail
+        msg['To'] = email
         msg['Date'] = formatdate(localtime=True)
 
         mobi = MIMEApplication(data)
         encode_base64(mobi)
         mobi.add_header('Content-Disposition',
-                        'attachment; filename={id}.{format}'.format(id=job.article, format=job.format))
+                        'attachment; filename={id}.{format}'.format(id=article, format=format))
 
         msg.attach(mobi)
 
@@ -33,17 +37,21 @@ class Sender:
         smtp.starttls()
         if self.user is not None:
             smtp.login(self.user, self.passwd)
-        smtp.sendmail(self.from_addr, job.user.kindle_mail, msg.as_string())
+        smtp.sendmail(self.from_addr, [email], msg.as_string())
         smtp.quit()
+        logger.info("Mail with article {article} in format {format} sent to {email}".format(article=article,
+                                                                                            format=format,
+                                                                                            email=email))
 
     async def send_mail(self, job, data):
-        return self.loop.run_in_executor(None, self._send_mail, job, data)
+        return self.loop.run_in_executor(None, self._send_mail, job.title, job.article, job.format,
+                                         job.user.kindle_mail, data)
 
-    def _send_warning(self, user, config):
+    def _send_warning(self, email, config):
         msg = MIMEMultipart()
         msg['Subject'] = "Wallabag-Kindle-Consumer Notice"
         msg['From'] = self.from_addr
-        msg['To'] = user.email
+        msg['To'] = email
         msg['Date'] = formatdate(localtime=True)
 
         txt = MIMEText(("the Wallabag-Kindle-Consumer for your Wallabag "
@@ -58,8 +66,9 @@ class Sender:
         smtp.starttls()
         if self.user is not None:
             smtp.login(self.user, self.passwd)
-        smtp.sendmail(self.from_addr, user.email, msg.as_string())
+        smtp.sendmail(self.from_addr, [email], msg.as_string())
         smtp.quit()
+        logger.info("Notify mail sent to {user}", user=email)
 
     async def send_warning(self, user, config):
-        return self.loop.run_in_executor(None, self._send_warning, user, config)
+        return self.loop.run_in_executor(None, self._send_warning, user.email, config)