1 files changed, 5 insertions, 0 deletions

diff --git a/src/mailman/utilities/importer.py b/src/mailman/utilities/importer.py
index 8590d9b1b..1819ab843 100644
--- a/src/mailman/utilities/importer.py
+++ b/src/mailman/utilities/importer.py
@@ -32,6 +32,7 @@ from mailman.config import config
 from mailman.core.errors import MailmanError
 from mailman.handlers.decorate import decorate, decorate_template
 from mailman.interfaces.action import Action, FilterAction
+from mailman.interfaces.address import IEmailValidator
 from mailman.interfaces.archiver import ArchivePolicy
 from mailman.interfaces.autorespond import ResponseAction
 from mailman.interfaces.bans import IBanManager
@@ -427,8 +428,12 @@ def import_roster(mlist, config_dict, members, role):
                 merged_members.update(config_dict.get('digest_members', {}))
                 if merged_members.get(email, 0) != 0:
                     original_email = bytes_to_str(merged_members[email])
+                    if not getUtility(IEmailValidator).is_valid(original_email):
+                        original_email = email
                 else:
                     original_email = email
+                if not getUtility(IEmailValidator).is_valid(original_email):
+                    continue # skip this one entirely
                 address = usermanager.create_address(original_email)
                 address.verified_on = datetime.datetime.now()
             user.link(address)