diff --git a/docker-compose.yml b/docker-compose.yml
index aad4c2b..c32f55e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,6 +27,8 @@ services:
   postgrey:
     build: postgrey
     restart: unless-stopped
+    volumes:
+      - postgrey:/var/spool/postfix/postgrey/
     networks:
       mail:
 
@@ -67,3 +69,4 @@ networks:
 volumes:
   postfix-dh: {}
   dovecot-dh: {}
+  postgrey: {}
diff --git a/postgrey/Dockerfile b/postgrey/Dockerfile
index 8a5bb14..9336218 100644
--- a/postgrey/Dockerfile
+++ b/postgrey/Dockerfile
@@ -4,4 +4,6 @@ RUN apk add --no-cache \
         perl-netaddr-ip \
         postgrey
 
+VOLUME ["/var/spool/postfix/postgrey/"]
+
 ENTRYPOINT ["postgrey", "--inet=0.0.0.0:25", "--auto-whitelist-clients"]