diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8065548..00f1258 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,12 @@
 Release History
 ===============
 
+0.4.5 - 2019-03-20
+~~~~~~~~~~~~~~~
+
+* Use uuid for filenames and not message id
+* More verbose logging of exceptions
+
 0.4.4 - 2019-03-15
 ~~~~~~~~~~~~~~~
 
diff --git a/pyas2/__init__.py b/pyas2/__init__.py
index b602259..1658496 100644
--- a/pyas2/__init__.py
+++ b/pyas2/__init__.py
@@ -1,2 +1,2 @@
 __title__ = 'pyAS2'
-__version__ = '0.4.4'
+__version__ = '0.4.5'
diff --git a/pyas2/as2lib.py b/pyas2/as2lib.py
index dab219e..8893f71 100644
--- a/pyas2/as2lib.py
+++ b/pyas2/as2lib.py
@@ -184,6 +184,7 @@ def build_mdn(message, status, **kwargs):
                                   u'The disposition-notification report has additional details.')
             models.Log.objects.create(message=message, status='E', text=kwargs['status_message'])
             message.status = 'E'
+            message.adv_status = kwargs['status_message']
         else:
             message.status = 'S'
 
diff --git a/pyas2/management/commands/sendas2message.py b/pyas2/management/commands/sendas2message.py
index ea69c9e..861bec3 100644
--- a/pyas2/management/commands/sendas2message.py
+++ b/pyas2/management/commands/sendas2message.py
@@ -4,7 +4,7 @@
 from pyas2 import as2lib
 from pyas2 import as2utils
 from pyas2 import pyas2init 
-from optparse import make_option
+import traceback
 import email.utils
 import shutil
 import time
@@ -71,14 +71,19 @@ def handle(self, *args, **options):
         try:
             payload = as2lib.build_message(message)
             as2lib.send_message(message, payload)	
-        except Exception, e:
-            pyas2init.logger.error(_(u'Failed to send message, error:\n%(txt)s') % {'txt': as2utils.txtexc()})
+        except Exception:
             message.status = 'E'
-            models.Log.objects.create(message=message, status='E', text=_(u'Failed to send message, error is %s' % e))
+            txt = traceback.format_exc(None).decode('utf-8', 'ignore')
+            message.adv_status = \
+                _(u'Failed to send message, error:\n%(txt)s') % {'txt': txt}
+            pyas2init.logger.error(message.adv_status)
+
+            models.Log.objects.create(
+                message=message, status='E', text=message.adv_status)
             message.save()
 
             # Send mail here
-            as2utils.senderrorreport(message, _(u'Failed to send message, error is %s' % e))
+            as2utils.senderrorreport(message, message.adv_status)
             sys.exit(2)
 
         sys.exit(0)
diff --git a/pyas2/views.py b/pyas2/views.py
index 6da56dd..7233589 100644
--- a/pyas2/views.py
+++ b/pyas2/views.py
@@ -19,6 +19,7 @@
 import tempfile
 import traceback
 import email
+import uuid
 
 
 def server_error(request, template_name='500.html'):
@@ -436,12 +437,13 @@ def as2receive(request, *args, **kwargs):
 
                 except Exception, e:
                     message.status = 'E'
-                    models.Log.objects.create(message=message,
-                                              status='E',
-                                              text=_(u'Failed to send message, error is %s' % e))
+                    message.adv_status = _(u'Failed to send message, error is:\n %s' %
+                                           traceback.format_exc(None).decode('utf-8', 'ignore'))
+                    models.Log.objects.create(
+                        message=message, status='E', text=message.adv_status)
 
                     # Send mail here
-                    as2utils.senderrorreport(message, _(u'Failed to send message, error is %s' % e))
+                    as2utils.senderrorreport(message, message.adv_status)
 
                 finally:
                     # Save message and send response to HTTP request
@@ -489,9 +491,9 @@ def as2receive(request, *args, **kwargs):
 
                     # Get the filename from the header and if not there set to message id
                     if message.partner.keep_filename and payload.get_filename():
-                        filename = payload.get_filename()
+                        filename = payload.get_filename()[:100]
                     else:
-                        filename = '%s.msg' % message.message_id
+                        filename = '%s.msg' % uuid.uuid4()
 
                     # Save the message content to the store and inbox
                     content = payload.get_payload(decode=True)
@@ -544,13 +546,14 @@ def as2receive(request, *args, **kwargs):
                     adv_status = 'integrity-check-failed'
                     status_message = _(u'An error occurred during the AS2 message processing: %s' % e)
 
-                except Exception, e:
+                except Exception:
                     txt = traceback.format_exc(None).decode('utf-8', 'ignore')
                     pyas2init.logger.error(_(u'Unexpected error while processing message %(msg)s, '
                                              u'error:\n%(txt)s'), {'txt': txt, 'msg': message.message_id})
                     status = 'error'
                     adv_status = 'unexpected-processing-error'
-                    status_message = _(u'An error occurred during the AS2 message processing: %s' % e)
+                    status_message = _(u'An error occurred during the AS2'
+                                       u' message processing: \n %s' % txt)
                 finally:
                     # Build the mdn for the message based on processing status
                     mdn_body, mdn_message = as2lib.build_mdn(message,