wip

[users/heiko/exim.git] / doc / doc-docbook / spec.xfpt

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index edba1232fabed75ad7b64834d58eb747178f29fc..09ff7504407ad35af9045ecd20fe3f7df03875ac 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -28578,7 +28578,7 @@ and for clients to only attempt,
 this authentication method on a secure (eg. under TLS) connection.
 
 One possible use, compatible with the
-K-9 Mail Andoid client (&url(https://k9mail.github.io/)),
+K-9 Mail Android client (&url(https://k9mail.github.io/)),
 is for using X509 client certificates.
 
 It thus overlaps in function with the TLS authenticator
@@ -32496,6 +32496,13 @@ Section &<<SECTaddmatcon>>& below describes how you can distinguish between
 different values. Some DNS lists may return more than one address record;
 see section &<<SECThanmuldnsrec>>& for details of how they are checked.
 
+.new
+Values returned by a properly running DBSBL should be in the 127.0.0.0/8
+range. If a DNSBL operator loses control of the domain, lookups on it
+may start returning other addresses.  Because of this, Exim now ignores
+returned values outside the 127/8 region.
+.wen
+
 
 .section "Variables set from DNS lists" "SECID204"
 .cindex "expansion" "variables, set from DNS list"
@@ -32632,6 +32639,14 @@ deny  dnslists = relays.ordb.org
 .endd
 which is less clear, and harder to maintain.
 
+Negation can also be used with a bitwise-and restriction.
+The dnslists condition with only be trus if a result is returned
+by the lookup which, anded with the restriction, is all zeroes.
+For example:
+.code
+deny dnslists = zen.spamhaus.org!&0.255.255.0
+.endd
+
 
 
 
@@ -39009,7 +39024,7 @@ unchanged, or whether they should be rendered as escape sequences.
 when TLS is in use. The item is &`CV=yes`& if the peer's certificate was
 verified
 using a CA trust anchor,
-&`CA=dane`& if using a DNS trust anchor,
+&`CV=dane`& if using a DNS trust anchor,
 and &`CV=no`& if not.
 .next
 .cindex "log" "TLS cipher"