diff --git a/zerver/management/commands/send_custom_email.py b/zerver/management/commands/send_custom_email.py
index 5947fd5b99..3dc2c79ad3 100644
--- a/zerver/management/commands/send_custom_email.py
+++ b/zerver/management/commands/send_custom_email.py
@@ -1,6 +1,8 @@
 from argparse import ArgumentParser
 from typing import Any
 
+from django.conf import settings
+
 from zerver.lib.management import CommandError, ZulipBaseCommand
 from zerver.lib.send_email import send_custom_email
 from zerver.models import Realm, UserProfile
@@ -86,6 +88,9 @@ class Command(ZulipBaseCommand):
                     )
                 raise error
 
+        # Only email users who've agreed to the terms of service.
+        if settings.TOS_VERSION is not None:
+            users = users.exclude(tos_version=None)
         send_custom_email(users, options)
 
         if options["dry_run"]: