add mailpit to docker-compose

core/core/settings.py

@@ -220,9 +220,11 @@ CHANNEL_LAYERS = {
             'hosts': [(os.getenv('REDIS_HOST', 'localhost'), 6379)],
         },
     }
-
 }
 
+SMTP_GATEWAY_HOST = os.getenv('SMTP_GATEWAY_HOST', 'localhost')
+SMTP_GATEWAY_PORT = int(os.getenv('SMTP_GATEWAY_PORT', '25'))
+
 PROMETHEUS_METRIC_NAMESPACE = 'c3lf'
 
 TEST_RUNNER = 'core.test_runner.FastTestRunner'

core/mail/protocol.py

@@ -10,6 +10,8 @@ from mail.models import Email, EventAddress, EmailAttachment
 from notify_sessions.models import SystemEvent
 from tickets.models import IssueThread
 
+from core.settings import SMTP_GATEWAY_HOST, SMTP_GATEWAY_PORT
+
 
 class SpecialMailException(Exception):
     pass
@@ -88,7 +90,7 @@ def make_reply(reply_email, references=None, event=None):
 
 
 async def send_smtp(message):
-    await aiosmtplib.send(message, hostname="127.0.0.1", port=25, use_tls=False, start_tls=False)
+    await aiosmtplib.send(message, hostname=SMTP_GATEWAY_HOST, port=SMTP_GATEWAY_PORT, use_tls=False, start_tls=False)
 
 
 def find_active_issue_thread(in_reply_to, address, subject, event):

deploy/testing/docker-compose.yml

@@ -16,6 +16,12 @@ services:
     ports:
       - "3306:3306"
 
+  mailpit:
+    image: axllent/mailpit
+    ports:
+      - "8025:8025"
+      - "1025:1025"
+
   core:
     build:
       context: ../../core