++ helo-time option handling
++ conversion of utf-8 domains for DNS rfc5890
-- MSA mode: convert on forward?
+--- mua-wrapper
+--- acl control?
+
+++ flag in spool file
+
+retries
+- apply to a-label or utf8 form?
dsn handling rfc6533
+- ORCPT param: utf8 vs. unitext encoded
+-- to/from unitext expansions ( foo\x{HEXPOINT} - 2-6 hex digits )
+
logging
-- international msg
+++ - international msg
- presentation of local-part in log
-- a log option?
encoding of local_part
-Recieved-by header tracking info
-- WITH protocol types get UTF8 prefix
-- use for logging also
+++ Recieved-by header tracking info
+++ - WITH protocol types get UTF8 prefix
+++ - use for logging also
forwarding checks rfc6530 7.1 -3-
- rcpt-time rejects get 533 mailbox name not allowed
- mail-time rejects get 550 mailbox unavailable
- bounces (see dsn handling)
-
++ expansions for to- and from-Alabel ? bug1567
enhanced status codes? rfc5248++