diff --git a/ietf/mailinglists/management/commands/import_mailman_listinfo.py b/ietf/mailinglists/management/commands/import_mailman_listinfo.py
index fdb10c083..146e8b850 100644
--- a/ietf/mailinglists/management/commands/import_mailman_listinfo.py
+++ b/ietf/mailinglists/management/commands/import_mailman_listinfo.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2016, All Rights Reserved
+# Copyright The IETF Trust 2016-2019, All Rights Reserved
 
 import sys
 from textwrap import dedent
@@ -35,6 +35,8 @@ def import_mailman_listinfo(verbosity=0):
 
     names = list(Utils.list_names())
     names.sort()
+    addr_max_length = Subscribed._meta.get_field('email').max_length
+    debug.show('addr_max_length')
     for name in names:
         mlist = MailList.MailList(name, lock=False)
         note("List: %s" % mlist.internal_name())
@@ -62,7 +64,7 @@ def import_mailman_listinfo(verbosity=0):
                         note("    Removing address with no subscriptions: %s" % (addr))
                         old.delete()
             for addr in members:
-                if len(addr) > 64:
+                if len(addr) > addr_max_length:
                     sys.stderr.write("    **  Email address subscribed to '%s' too long for table: <%s>\n" % (name, addr))
                     continue
                 if not addr in known:
diff --git a/ietf/mailinglists/migrations/0002_auto_20190703_1344.py b/ietf/mailinglists/migrations/0002_auto_20190703_1344.py
new file mode 100644
index 000000000..a99b72323
--- /dev/null
+++ b/ietf/mailinglists/migrations/0002_auto_20190703_1344.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Copyright The IETF Trust 2019, All Rights Reserved
+# Generated by Django 1.11.22 on 2019-07-03 13:44
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mailinglists', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='subscribed',
+            name='email',
+            field=models.CharField(max_length=128, validators=[django.core.validators.EmailValidator()]),
+        ),
+    ]
diff --git a/ietf/mailinglists/models.py b/ietf/mailinglists/models.py
index 119afac74..f515eff2c 100644
--- a/ietf/mailinglists/models.py
+++ b/ietf/mailinglists/models.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2016, All Rights Reserved
+# Copyright The IETF Trust 2016-2019, All Rights Reserved
 
 
 from django.conf import settings
@@ -19,7 +19,7 @@ class List(models.Model):
 
 class Subscribed(models.Model):
     time = models.DateTimeField(auto_now_add=True)
-    email = models.CharField(max_length=64, validators=[validate_email])
+    email = models.CharField(max_length=128, validators=[validate_email])
     lists = models.ManyToManyField(List)
     def __unicode__(self):
         return "<Subscribed: %s at %s>" % (self.email, self.time)