From d5dcf5eb3fe299b71c0b2f17ccdc58af1fa91e98 Mon Sep 17 00:00:00 2001
From: James <james@jongsma.me>
Date: Mon, 23 Feb 2026 23:59:17 +0100
Subject: [PATCH] spam: DNSBL stack - Mailspike 7.0 + PSBL 6.0 + UCEProtect 5.0
 + SpamCop 5.0 + Barracuda 5.0

---
 stalwart_config.toml | 37 ++++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/stalwart_config.toml b/stalwart_config.toml
index 53f56fd..f33ff84 100644
--- a/stalwart_config.toml
+++ b/stalwart_config.toml
@@ -87,30 +87,37 @@ spam = 5.0
 discard = 0
 reject = 0
 
-[spam-filter.dnsbl.server.spamhaus_zen]
+[spam-filter.dnsbl.server.mailspike]
 enable = true
-scope = ip
-lookup = zen.spamhaus.org
-tag = RBL_SPAMHAUS_ZEN
-score = 8.0
+scope = "ip"
+lookup = "bl.mailspike.net"
+tag = "RBL_MAILSPIKE"
+score = 7.0
 
-[spam-filter.dnsbl.server.spamhaus_dbl]
+[spam-filter.dnsbl.server.psbl]
 enable = true
-scope = domain
-lookup = dbl.spamhaus.org
-tag = URIBL_SPAMHAUS_DBL
+scope = "ip"
+lookup = "psbl.surriel.com"
+tag = "RBL_PSBL"
 score = 6.0
 
+[spam-filter.dnsbl.server.uceprotect1]
+enable = true
+scope = "ip"
+lookup = "dnsbl.uceprotect.net"
+tag = "RBL_UCEPROTECT1"
+score = 5.0
+
 [spam-filter.dnsbl.server.spamcop]
 enable = true
-scope = ip
-lookup = bl.spamcop.net
-tag = RBL_SPAMCOP
+scope = "ip"
+lookup = "bl.spamcop.net"
+tag = "RBL_SPAMCOP"
 score = 5.0
 
 [spam-filter.dnsbl.server.barracuda]
 enable = true
-scope = ip
-lookup = b.barracudacentral.org
-tag = RBL_BARRACUDA
+scope = "ip"
+lookup = "b.barracudacentral.org"
+tag = "RBL_BARRACUDA"
 score = 5.0