base.m4: Accept bad synchronization from `submission' clients.

Alas, Thunderbird is an offender, and this prevents it from using
`STARTTLS', which is a much worse outcome.

diff --git a/base.m4 b/base.m4
index 51cacc8a3e224fc9f6a2af70d920e3d889214f62..32cf73edc739ed09341b5c6eb9da675bcee62385 100644 (file)
--- a/base.m4
+++ b/base.m4
@@ -243,6 +243,7 @@ check_submission:
 
        ## Remember to apply submission controls.
        warn     set acl_c_mode = submission
+                control = no_enforce_sync
 
        ## Done.
        accept