--- a/sat/plugins/plugin_misc_smtp.py	Wed Jun 27 07:51:29 2018 +0200
+++ b/sat/plugins/plugin_misc_smtp.py	Wed Jun 27 20:14:46 2018 +0200
@@ -20,6 +20,7 @@
 from sat.core.i18n import _
 from sat.core.constants import Const as C
 from sat.core.log import getLogger
+
 log = getLogger(__name__)
 from twisted.internet import defer
 from twisted.cred import portal, checkers, credentials
@@ -42,7 +43,9 @@
     C.PI_DEPENDENCIES: ["Maildir"],
     C.PI_MAIN: "SMTP_server",
     C.PI_HANDLER: "no",
-    C.PI_DESCRIPTION: _("""Create a SMTP server that you can use to send your "normal" type messages""")
+    C.PI_DESCRIPTION: _(
+        """Create a SMTP server that you can use to send your "normal" type messages"""
+    ),
 }
 
 
@@ -62,7 +65,7 @@
         log.info(_("Plugin SMTP Server initialization"))
         self.host = host
 
-        #parameters
+        # parameters
         host.memory.updateParams(self.params)
 
         port = int(self.host.memory.getParamA("SMTP Port", "Mail Server"))
@@ -88,11 +91,20 @@
         """handle end of message"""
         mail = Parser().parsestr("\n".join(self.message))
         try:
-            self.host._sendMessage(parseaddr(mail['to'].decode('utf-8', 'replace'))[1], mail.get_payload().decode('utf-8', 'replace'),  # TODO: manage other charsets
-                                  subject=mail['subject'].decode('utf-8', 'replace'), mess_type='normal', profile_key=self.profile)
+            self.host._sendMessage(
+                parseaddr(mail["to"].decode("utf-8", "replace"))[1],
+                mail.get_payload().decode(
+                    "utf-8", "replace"
+                ),  # TODO: manage other charsets
+                subject=mail["subject"].decode("utf-8", "replace"),
+                mess_type="normal",
+                profile_key=self.profile,
+            )
         except:
             exc_type, exc_value, exc_traceback = sys.exc_info()
-            log.error(_(u"Can't send message: %s") % exc_value)  # The email is invalid or incorreclty parsed
+            log.error(
+                _(u"Can't send message: %s") % exc_value
+            )  # The email is invalid or incorreclty parsed
             return defer.fail()
         self.message = None
         return defer.succeed(None)
@@ -151,8 +163,8 @@
         self.host = host
 
     def requestAvatar(self, avatarID, mind, *interfaces):
-        log.debug('requestAvatar')
-        profile = avatarID.decode('utf-8')
+        log.debug("requestAvatar")
+        profile = avatarID.decode("utf-8")
         if smtp.IMessageDelivery not in interfaces:
             raise NotImplementedError
         return smtp.IMessageDelivery, SatSmtpDelivery(self.host, profile), lambda: None
@@ -164,16 +176,19 @@
     Check if the profile exists, and if the password is OK
     Return the profile as avatarId
     """
+
     implements(checkers.ICredentialsChecker)
-    credentialInterfaces = (credentials.IUsernamePassword,
-                            credentials.IUsernameHashedPassword)
+    credentialInterfaces = (
+        credentials.IUsernamePassword,
+        credentials.IUsernameHashedPassword,
+    )
 
     def __init__(self, host):
         self.host = host
 
     def _cbPasswordMatch(self, matched, profile):
         if matched:
-            return profile.encode('utf-8')
+            return profile.encode("utf-8")
         else:
             return failure.Failure(cred_error.UnauthorizedLogin())
 
@@ -181,14 +196,15 @@
         profiles = self.host.memory.getProfilesList()
         if not credentials.username in profiles:
             return defer.fail(cred_error.UnauthorizedLogin())
-        d = self.host.memory.asyncGetParamA("Password", "Connection", profile_key=credentials.username)
+        d = self.host.memory.asyncGetParamA(
+            "Password", "Connection", profile_key=credentials.username
+        )
         d.addCallback(credentials.checkPassword)
         d.addCallback(self._cbPasswordMatch, credentials.username)
         return d
 
 
 class SmtpServerFactory(smtp.SMTPFactory):
-
     def __init__(self, host):
         self.protocol = smtp.ESMTP
         self.host = host