On Thu, 12 Sep 2002, Phil Chambers wrote:
> The Exim3 spec says that rbl/warn results in X-RBL-Warning: headers
> being added to the message. The Exim4 spec is silent on this issue.
> Can you confirm that Exim4 also produces the same headers?
The Exim 4 spec says that the "warn" command in an ACL causes a header
line to be added. I think the default text is the same as for Exim 3,
but I can't actually remember offhand.
> A subsidiary question, for Exim4, is: If a "warn dnslist ..."
> statement in an ACL adds an X-RBL-Warning: header, can routers doing a
> verify for a subsequent verify statement in the same ACL see that
> header?
In the same ACL, no.
> If not, at what stage can Exim check for them?
Header lines added at RCPT time can be seen in an ACL at DATA time.
> What I am planning is for users to opt in to spam rejection on a
> individual basis, so I want a router to check for the presence of the
> header and the user's name in the opt-in list.
I'm not sure why you want the routers to be involved in this. Why not
just do the check in the ACL?
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.