GnuTLS: full-chain OCSP stapling. Bug 1466

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index c2adc9ea60dcd10230ab0ac7f7082686a25fab56..118b7b5669d0d204e4647e713bb547e2cc2abfe9 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -14691,13 +14691,20 @@ recommended, except when you have no other choice.
 .cindex "UTF-8" "in domain name"
 Lots of discussion is going on about internationalized domain names. One
 camp is strongly in favour of just using UTF-8 characters, and it seems
-that at least two other MTAs permit this. This option allows Exim users to
-experiment if they wish.
+that at least two other MTAs permit this.
+This option allows Exim users to experiment if they wish.
 
 If it is set true, Exim's domain parsing function allows valid
 UTF-8 multicharacters to appear in domain name components, in addition to
-letters, digits, and hyphens. However, just setting this option is not
-enough; if you want to look up these domain names in the DNS, you must also
+letters, digits, and hyphens.
+
+.new
+If Exim is built with internationalization support
+and the SMTPUTF8 ESMTP option is in use (see chapter &<<CHAPi18n>>&)
+this option can be left as default.
+.wen
+Without that,
+if you want to look up such domain names in the DNS, you must also
 adjust the value of &%dns_check_names_pattern%& to match the extended form. A
 suitable setting is:
 .code
@@ -17829,7 +17836,15 @@ For GnuTLS 3.5.6 or later the expanded value of this option can be a list
 of files, to match a list given for the &%tls_certificate%& option.
 The ordering of the two lists must match.
 
-The file(s) should be in DER format
+.new
+The file(s) should be in DER format,
+except for GnuTLS 3.6.3 or later when an optional filetype prefix
+can be used.  The prefix must be one of "DER" or "PEM", followed by
+a single space.  If one is used it sets the format for subsequent
+files in the list; the initial format is DER.
+When a PEM format file is used it may contain multiple proofs,
+for multiple certificate chain element proofs under TLS1.3.
+.wen
 
 .option tls_on_connect_ports main "string list" unset
 .cindex SSMTP