add mail support

.env.sample

@@ -3,14 +3,19 @@ TYPE=karrot
 DOMAIN=karrot.example.com
 LETS_ENCRYPT_ENV=production
 
+# postal,smtp,sonsole
+EMAIL_BACKEND=console
+# only set those when using SMTP
+#EMAIL_FROM=
+#EMAIL_PASSWORD=
+#SMTP_HOST=
+#SMTP_USE_SSL=true
+#SMTP_PORT=465
+
 # account id for maxmind (for GeoIP)
 MAXMIND_ACCOUNT_ID=
 # License key for maxmind 
 MAXMIND_LICENSE_KEY=
 
-# if I set this it fails with:
-# TypeError: SelectorEventLoop required, instead got: <uvloop.Loop running=False closed=False debug=False>
-#LISTEN_CONCURRENCY=4
-
 
 SECRET_DB_PASSWORD_VERSION=v1

compose.yml

@@ -46,6 +46,12 @@ services:
     environment:
       - MAXMIND_ACCOUNT_ID
       - MAXMIND_LICENSE_KEY
+      - EMAIL_FROM
+      - SMTP_PASSWORD
+      - SMTP_HOST
+      - EMAIL_BACKEND
+      - SMTP_PORT
+      - SMTP_USE_SSL
       - SITE_URL=http://localhost:8000
       - LISTEN_HOST=0.0.0.0
       - LISTEN_SERVER=uvicorn
@@ -135,7 +141,7 @@ services:
       - POSTGRES_PASSWORD=karrot
       - POSTGRES_USER=karrot
       - POSTGRES_DB=karrot
- 
+
 
 secrets:
   db_password: