On Mon, 17 Oct 2005, Robert Cates wrote:
> OK, thanks Tony, but in my folow-up message I noticed in my log 'P=esmtpsa',
> when I send out per Courier IMAP(-SSL). I'm not sure what the differences
> are.
Hmm I see a slight documentation problem. $received_protocol refers to RFC
3848 which is the authoritative source. It should be cross-referenced
better. I'll suggest some changes to Philip.
> Next, I have 'relay_from_hosts = 127.0.0.1 : 192.168.1.0/24 : *.kormar.net :
> *.kormar.de' defined. Should I change that to 'hostlist relay_from_hosts =
> : @[] :'? Would that be better?
Yes.
> As far as my ACLs, I only have:
> acl_smtp_rcpt = acl_check_rcpt (the default, nothing changed)
You probably want to adjust the order. Exim 4.60 will have:
accept hosts = :
deny message = Restricted characters in address
domains = +local_domains
local_parts = ^[.] : [EMAIL PROTECTED]/|]
deny message = Restricted characters in address
domains = !+local_domains
local_parts = ^[./|] : [EMAIL PROTECTED] : ^.*/\\.\\./
accept local_parts = postmaster
domains = +local_domains
require verify = sender
accept hosts = +relay_from_hosts
accept authenticated = *
# DNS blacklist checks, commented out
accept domains = +local_domains
endpass
verify = recipient
accept domains = +relay_to_domains
endpass
verify = recipient
deny message = relay not permitted
> I would like to use:
> #acl_smtp_auth = acl_check_auth
> #acl_smtp_starttls = acl_check_auth
>
> #acl_check_auth:
>
> # accept hosts = +auth_relay_hosts
> ## endpass
> # require verify = sender
> # accept authenticated = *
> # deny domains = !+local_domains
> # message = relay forbidden without authentication
>
> but I don't know how to set that up safely.
This won't work, because (1) you can't authenticate before TLS, so
requiring authentication in order to allow TLS doesn't make sense; (2)
the domains condition is only defined in the RCPT ACL - you don't know the
recipient address until then, so checking it beforehand is meaningless.
You don't need to use AUTH or STARTTLS ACLs unless you are doing something
very unusual.
Tony.
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