1 files changed, 5 insertions, 0 deletions
diff --git a/src/src/deliver.c b/src/src/deliver.c
index d0e6d1c2e..9b77b3619 100644
--- a/src/src/deliver.c
+++ b/src/src/deliver.c
@@ -5370,6 +5370,11 @@ while (*s)
       fprintf(f, "\n   ");  /* sic (because space follows) */
       count = 0;
       }
+    else if (count > 254)	/* arbitrary limit */
+      {
+      fprintf(f, "[truncated]");
+      do s++; while (*s && !(*s == '\\' && s[1] == '\n'));
+      }
     }
 }