Subject: re: localhost security hole
To: Todd Vierling <firstname.lastname@example.org>
From: matthew green <email@example.com>
Date: 06/29/2003 15:12:28
: : that doesn't matter. that will only be looked for if "localhost" by
: : itself is not found.
: ...and even that case can be cared for by using "root@localhost." (note
: trailing dot, which tells the resolver that search domains must not be
: except that the address "root@localhost." is invalid.
s/is invalid/may require adding "localhost." to the local-host-names list/
no. any address of the form "user@host." is invalid. eg, postfix
<root@localhost.>: bad host/domain syntax: "localhost."
i believe sendmail used to fail to deliver to such addresses
as well (i haven't used it for so long....)
i believe it is RFC required.