From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Fri, 23 Mar 2018 16:45:03 +0000 (+0000)
Subject: ARC: For signing, accept A-R header lacking ARC info as equivalent to "none"
X-Git-Tag: exim-4.92-RC1~216^2~14
X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/abc01b4f3ea60198b92c397df5aa8c5cc2c07fb2

ARC: For signing, accept A-R header lacking ARC info as equivalent to "none"
---

diff --git a/src/src/arc.c b/src/src/arc.c
index a0e2184bd..f4ae096bc 100644
--- a/src/src/arc.c
+++ b/src/src/arc.c
@@ -1375,7 +1375,7 @@ while ((methodspec = string_nextinlist(&resinfo, &sep, NULL, 0)))
          (c = *s) && c != ';' && c != ' ' && c != '\r' && c != '\n'; ) s++;
     return string_copyn(methodspec, s - methodspec);
     }
-return NULL;
+return US"none";
 }