diff --git a/sspromotions/management/commands/subscribemembers.py b/sspromotions/management/commands/subscribemembers.py
new file mode 100644
index 0000000..4d7d4d8
--- /dev/null
+++ b/sspromotions/management/commands/subscribemembers.py
@@ -0,0 +1,47 @@
+#    Society Self-Service
+#    Copyright © 2018-2019  Yingtong Li (RunasSudo)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from django.core.management.base import BaseCommand
+
+import ssmembership.models
+import sspromotions.models
+
+class Command(BaseCommand):
+	help = 'Manually subscribe members'
+	
+	def add_arguments(self, parser):
+		parser.add_argument('group')
+		parser.add_argument('emailfile')
+	
+	def handle(self, *args, **options):
+		group = sspromotions.models.Group.objects.get(name=args['group'])
+		
+		with open(args['emailfile'], 'r') as f:
+			emails = set(f)
+		
+		for email in emails:
+			email = email.strip()
+			try:
+				member = ssmembership.models.Member.objects.get(email=email)
+			except ssmembership.models.Member.DoesNotExist:
+				self.stdout.write('No such email: ' + email)
+				continue
+			
+			if group.contains_member(member):
+				self.stdout.write('Member already subscribed: ' + email)
+			else:
+				self.stdout.write('Subscribing new member: ' + email)
+				group.subscribe_member(member, True)