From 35e813d00dc4896b9b952a83aee01229299bfb61 Mon Sep 17 00:00:00 2001
From: Giovanni <g.bechis@snb.it>
Date: Wed, 19 Jun 2024 09:07:20 +0200
Subject: [PATCH] SPF explanation text is restricted to 7-bit ascii

---
 lib/Mail/SPF/Result.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Mail/SPF/Result.pm b/lib/Mail/SPF/Result.pm
index f247943..cbc660c 100644
--- a/lib/Mail/SPF/Result.pm
+++ b/lib/Mail/SPF/Result.pm
@@ -552,6 +552,10 @@ sub authority_explanation {
         try {
             # ... then try to expand it:
             $authority_explanation = $authority_explanation_macrostring->expand;
+            # SPF explanation text is restricted to 7-bit ascii
+            if(defined $authority_explanation and utf8::is_utf8($authority_explanation)) {
+              $authority_explanation = $server->default_authority_explanation->new(request => $request)->expand;
+            }
         }
         catch Mail::SPF::EInvalidMacroString with {};
             # Ignore expansion errors and leave authority explanation undefined.