On Mon, 11 Feb 2008, W B Hacker wrote:
>
> AFAIK, there exist more than one method of doing delivery
> receipts/confirmations, so 'not necessarily always'.
The only standard one is RFC 3798.
Tony.
--
<fanf@???> <dot@???>
http://dotat.at/ ${sg{\N${sg{\
N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}