> (Off-topic: there are some place where I can found the internals talking about that? > The externals.io not allows search.) http://markmail.org/search/?q=https%3A%2F%2Fwiki.php.net%2Frfc%2Fenum+#query:https%3A%2F%2Fwiki.php.net%2Frfc%2Fenum%20list%3Anet.php.lists.internals+page:1+state:facets
(if the link is broken just search for the exact rfc url on markmail.org)
