Used multipart mime when including the original message in an error message to the secretariat.
Modified the way IANA review email is parsed.
Added non-ascii UTF-8 tests to the IANA review email parser and to the SMTP Exception handling code.
Commit ready for merge.
- Legacy-Id: 7673
Adds a real (if simple) SMTP server to the test framework and tests handling of exceptions and rejected addresses. Fixes ticket #1314.
- Legacy-Id: 7613
Note: SVN reference [7591] has been migrated to Git commit 54919f01343995ab154d27dcfaf7a60b15dd5eee
