From 24e9534378492b67804339007417f3a95462a69b Mon Sep 17 00:00:00 2001
From: jammo-nl <46375984+jammo-nl@users.noreply.github.com>
Date: Mon, 7 Jan 2019 10:52:35 +0100
Subject: [PATCH] Bugfix: DKIM checks fail

The DKIM key is base64 encoded, meaning it can end with "=" signs
Split on "=" and check if you have 2 'parts' (key and value) will fail in these cases.
By using split("=",1) we make sure we only slit on the first occurence of the "=" sign
---
 modoboa/dnstools/lib.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modoboa/dnstools/lib.py b/modoboa/dnstools/lib.py
index 6a7e70b07..1797b763b 100644
--- a/modoboa/dnstools/lib.py
+++ b/modoboa/dnstools/lib.py
@@ -200,7 +200,7 @@ def check_dkim_syntax(record):
     key = None
     for tag in record.split(";")[1:]:
         tag = tag.strip(" ")
-        parts = tag.split("=")
+        parts = tag.split("=",1)
         if len(parts) != 2:
             raise DNSSyntaxError(_("Invalid tag {}").format(tag))
         name = parts[0].strip(" ")