diff --git a/ietf/person/management/__init__.py b/ietf/person/management/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/ietf/person/management/commands/__init__.py b/ietf/person/management/commands/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/ietf/person/management/commands/deactivate_email_addresses.py b/ietf/person/management/commands/deactivate_email_addresses.py
new file mode 100644
index 000000000..7918fe4e5
--- /dev/null
+++ b/ietf/person/management/commands/deactivate_email_addresses.py
@@ -0,0 +1,102 @@
+# Copyright The IETF Trust 2016, All Rights Reserved
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals, print_function
+
+import datetime
+import email
+import flufl.bounce
+import mailbox
+import re
+import time
+
+from tqdm import tqdm
+
+from django.conf import settings
+from django.core.exceptions import ValidationError
+from django.core.management.base import BaseCommand, CommandError
+from django.core.validators import validate_email
+
+import debug                            # pyflakes:ignore
+
+from ietf.person.models import Email, PersonEvent
+
+
+class Command(BaseCommand):
+    help = (u"""
+        Deactivate bouncing email addresses.
+
+        Take one or more email addresses to deactivate from the command line,
+        or read delivery-status emails from an mbox file and extract addresses
+        with delivery failures from that, and mark them inactive.
+
+        """)
+
+    def add_arguments(self, parser):
+        parser.add_argument('-n', '--dry-run', action='store_true', default=False,
+            help="Don't deactivate email addresses, just list what would be done.")
+        parser.add_argument('-f', '--file', help="Process an mbox file containing bounce messages")
+        parser.add_argument('-r', '--reason', default="bounce", help='The reason for deactivation. Default: "%(default)s".')
+        parser.add_argument('address', nargs='*')
+
+    def is_valid_email(self, s):
+        try:
+            validate_email(s)
+        except ValidationError:
+            return False
+        return True
+
+
+    def handle(self, *args, **options):
+        addresses = options['address']
+        if options['file']:
+            self.stderr.write('Extracting bounced addresses from mbox file "%s":\n' % (options['file']))
+            mbox = mailbox.mbox(options['file'], create=False)
+            messages = {}
+            for msg in tqdm(mbox):
+                recipients = flufl.bounce.scan_message(msg)
+                # Special fix for reports from cisco, which don't convey the
+                # original recipent address:
+                recipients = [ r.replace('@exch.cisco.com', '@cisco.com') for r in recipients ]
+                for r in recipients:
+                    messages[r] = msg
+                addresses += recipients
+        addresses = [ a.strip() for a in addresses ]
+        addresses = [ a for a in addresses if self.is_valid_email(a) ]
+        if options['dry_run']:
+            for a in addresses:
+                email = Email.objects.filter(address=a).first()
+                if email:
+                    if email.person_id:
+                        self.stdout.write('Would deactivate <%s> (person %s)\n' % (a, email.person.plain_ascii()))
+                    else:
+                        self.stderr.write('No person is associated with <%s>\n' % (a, ))
+                else:
+                    self.stderr.write('Address not found: <%s>\n' % (a, ))
+                    with open('./failed', 'a') as failed:
+                        failed.write(messages[a].as_string(unixfrom=True))
+                        failed.write('\n')
+
+        else:
+            self.stderr.write('Setting email addresses to inactive:\n')
+            not_found = []
+            for a in tqdm(addresses):
+                email = Email.objects.filter(address=a).first()
+                if email and email.person_id:
+                    if not email.active:
+                        continue
+                    email.active = False
+                    email.origin = email.person.user.username if email.person.user_id else ('script: %s deactivation' % options['reason'])
+                    email.save()
+                    event = PersonEvent.objects.create(person=email.person, type='email_address_deactivated',
+                        desc="Deactivated the email addres <%s>. Reason: %s" % (email.address, options['reason']) )
+                else:
+                    if email is None:
+                        not_found.append(a)
+                    elif not email.person_id:
+                        self.stderr.write("Could not deactivate <%s>: Null person record\n" % (a, ))
+                    else:
+                        self.stderr.write("Unexpected error when processing <%s>: Quitting." % (a, ))
+                        sys.exit(1)
+            for a in not_found:
+                self.stderr.write('Address not found: <%s>\n' % (a, ))
+