From a9a1b3e55e36f9dc90713c7bff1b24252da307c2 Mon Sep 17 00:00:00 2001
From: Florent Daigniere <nextgens@freenetproject.org>
Date: Sun, 5 Sep 2021 15:28:59 +0200
Subject: [PATCH] Reduce the EDNS0 size to 1232

@see
https://github.com/dns-violations/dnsflagday/issues/125
---
 core/admin/mailu/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/admin/mailu/utils.py b/core/admin/mailu/utils.py
index e8e58100..b6495a53 100644
--- a/core/admin/mailu/utils.py
+++ b/core/admin/mailu/utils.py
@@ -41,7 +41,7 @@ def handle_needs_login():
 
 # DNS stub configured to do DNSSEC enabled queries
 resolver = dns.resolver.Resolver()
-resolver.use_edns(0, 0, 1500)
+resolver.use_edns(0, 0, 1232)
 resolver.flags = dns.flags.AD | dns.flags.RD
 
 def has_dane_record(domain, timeout=10):