Testsuite: move testcase (requires plaintext authenticator)

[exim.git] / doc / doc-txt / experimental-spec.txt

diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 8192f3d76ac4a190fbd67892a6e49e085093435d..c3e1196b47f687f0e12208a1cd723393bf26818d 100644 (file)
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -1154,9 +1154,16 @@ support to date has not made these checks.
 
 If built with EXPERIMENTAL_CERTNAMES defined, code is
 included to do so for server certificates, and a new smtp transport option
-"tls_verify_cert_hostname" supported which takes a list of
-names for which the checks must be made.  The host must
-also be in "tls_verify_hosts".
+"tls_verify_cert_hostnames" supported which takes a hostlist
+which must match the target host for the additional checks must be made.
+The option currently defaults to empty, but this may change in
+the future.  "*" is probably a suitable value.
+Whether certificate verification is done at all, and the result of
+it failing, is stll under the control of "tls_verify_hosts" nad
+"tls_try_verify_hosts".
+
+The name being checked is that for the host, generally
+the result of an MX lookup.
 
 Both Subject and Subject-Alternate-Name certificate fields
 are supported, as are wildcard certificates (limited to
@@ -1166,7 +1173,7 @@ component FQDN).
 The equivalent check on the server for client certificates is not
 implemented.  At least one major email provider is using a client
 certificate which fails this check.  They do not retry either without
-hte client certificate or in clear.
+the client certificate or in clear.
 
 It is possible to duplicate the effect of this checking by
 creative use of Events.
@@ -1295,12 +1302,13 @@ MX, A and TLSA records.
 
 A TLSA lookup will be done if either of the above options match
 and the host-lookup succeded using dnssec.
-If the TLSA lookup succeeds, a TLS connection will be required
-for the host.
+If a TLSA lookup is done and succeeds, a DANE-verified TLS connection
+will be required for the host.
 
 (TODO: specify when fallback happens vs. when the host is not used)
 
-If dane is in use the following transport options are ignored:
+If DANE is requested and useable (see above) the following transport
+options are ignored:
   hosts_require_tls
   tls_verify_hosts
   tls_try_verify_hosts
@@ -1308,6 +1316,10 @@ If dane is in use the following transport options are ignored:
   tls_crl
   tls_verify_cert_hostnames
 
+If DANE is not usable, whether requested or not, and CA-anchored
+verification evaluation is wanted, the above variables should be set
+appropriately.
+
 Currently dnssec_request_domains must be active (need to think about that)
 and dnssec_require_domains is ignored.