diff --git a/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/syslog-ng-redis_slave.conf b/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/syslog-ng-redis_slave.conf
new file mode 100644
index 0000000..335cbfe
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/syslog-ng-redis_slave.conf
@@ -0,0 +1,45 @@
+@version: 3.19
+@include "scl.conf"
+options {
+  chain_hostnames(off);
+  flush_lines(0);
+  use_dns(no);
+  use_fqdn(no);
+  owner("root"); group("adm"); perm(0640);
+  stats_freq(0);
+  bad_hostname("^gconfd$");
+};
+source s_src {
+  unix-stream("/dev/log");
+  internal();
+};
+destination d_stdout { pipe("/dev/stdout"); };
+destination d_redis_ui_log {
+  redis(
+    host("`REDIS_SLAVEOF_IP`")
+    persist-name("redis1")
+    port(`REDIS_SLAVEOF_PORT`)
+    command("LPUSH" "DOVECOT_MAILLOG" "$(format-json time=\"$S_UNIXTIME\" priority=\"$PRIORITY\" program=\"$PROGRAM\" message=\"$MESSAGE\")\n")
+  );
+};
+destination d_redis_f2b_channel {
+  redis(
+    host("`REDIS_SLAVEOF_IP`")
+    persist-name("redis2")
+    port(`REDIS_SLAVEOF_PORT`)
+    command("PUBLISH" "F2B_CHANNEL" "$MESSAGE")
+  );
+};
+filter f_mail { facility(mail); };
+filter f_replica {
+  not match("User has no mail_replica in userdb" value("MESSAGE"));
+  not match("Error: sync: Unknown user in remote" value("MESSAGE"));
+};
+log {
+  source(s_src);
+  filter(f_replica);
+  destination(d_stdout);
+  filter(f_mail);
+  destination(d_redis_ui_log);
+  destination(d_redis_f2b_channel);
+};