diff --git a/domains/mail.boolean44.json b/domains/mail.boolean44.json
index ecc36d275..2a1b53d1d 100644
--- a/domains/mail.boolean44.json
+++ b/domains/mail.boolean44.json
@@ -6,6 +6,7 @@
   },
   "record": {
     "MX": ["mx1.improvmx.com.", "mx2.improvmx.com."],
-    "A": ["10.0.0.1"]
+    "A": ["10.0.0.1"],
+    "TXT": "v=spf1 include:spf.improvmx.com ~all"
   }
 }