diff --git a/docker-compose.yaml b/docker-compose.yaml
index 0c4ae88..8c70c83 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -7,7 +7,7 @@ networks:
 
 x-mail:
   &defaults
-  restart: always
+  restart: unless-stopped
   env_file: local.env
   networks:
     - internalnet
@@ -195,6 +195,7 @@ services:
       - mail_data:/var/mail/:z
       - mail_state:/var/mail-state/:z
       - mail_config:/tmp/docker-mailserver/:z
+      - ./config/mail/postfix-policyd-spf.conf:/etc/postfix-policyd-spf-python/policyd-spf.conf:ro,z
     cap_add:
       - NET_ADMIN
 
diff --git a/local.env b/local.env
index 911ca3f..7ec9ce8 100644
--- a/local.env
+++ b/local.env
@@ -52,8 +52,10 @@ GITEA__server__HTTP_PORT        = 3000
 GITEA__server__DISABLE_SSH      = false
 GITEA__server__SSH_PORT         = 222
 GITEA__server__SSH_LISTEN_PORT  = 222
+GITEA__server__DISABLE_REGISTRATION = true
 
 GITEA__mailer__ENABLED                 = true
-GITEA__mailer__PROTOCOL                = smtp
-GITEA__mailer__SMTP_ADDR               = mailserver
-GITEA__mailer__SMTP_PORT               = 25
+GITEA__mailer__PROTOCOL                = sendmail
+GITEA__mailer__FROM                    = admin@leene.dev
+GITEA__mailer__SENDMAIL_ARGS           = -S mailserver --
+