diff --git a/membershipworks/models.py b/membershipworks/models.py
index ed307b6..b00192a 100644
--- a/membershipworks/models.py
+++ b/membershipworks/models.py
@@ -1,3 +1,5 @@
+import django.core.mail.message
+from django.conf import settings
 from django.db import models
 from django.db.models import Q, Count, BooleanField
 
@@ -160,6 +162,12 @@ class Member(models.Model):
         db_table = "members"
         ordering = ("first_name", "last_name")
 
+    @property
+    def sanitized_mailbox(self):
+        return django.core.mail.message.sanitize_address(
+            (self.account_name, self.email), settings.DEFAULT_CHARSET
+        )
+
 
 class MemberFlag(models.Model):
     member = models.ForeignKey(Member, on_delete=models.PROTECT, db_column="uid")
diff --git a/paperwork/api.py b/paperwork/api.py
index 5a5e353..4ae81eb 100644
--- a/paperwork/api.py
+++ b/paperwork/api.py
@@ -38,7 +38,7 @@ class CertificationDefinitionViewSet(viewsets.ModelViewSet):
                 for cert in version.certification_set.all():
                     if cert.member and cert.member.is_active:
                         lists[definition.mailing_list].add(
-                            f"{cert.member.account_name} <{cert.member.email}>"
+                            cert.member.sanitized_mailbox
                         )
 
         return Response(lists)