Support safari_ecdhe_ecdsa_bug for openssl_options

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index bf50a9be841e19057ed926dc02012565c9482bb4..29214e3e19832434a123a4430a2159b1163f82e7 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -10337,6 +10337,8 @@ ${if forany{<, $recipients}{match{$item}{^user3@}}{yes}{no}}
 The value of &$item$& is saved and restored while &*forany*& or &*forall*& is
 being processed, to enable these expansion items to be nested.
 
+To scan a named list, expand it with the &*listnamed*& operator.
+
 
 .vitem &*ge&~{*&<&'string1'&>&*}{*&<&'string2'&>&*}*& &&&
        &*gei&~{*&<&'string1'&>&*}{*&<&'string2'&>&*}*&
@@ -14740,6 +14742,8 @@ Possible options may include:
 .next
 &`no_tlsv1_2`&
 .next
+&`safari_ecdhe_ecdsa_bug`&
+.next
 &`single_dh_use`&
 .next
 &`single_ecdh_use`&
@@ -14755,6 +14759,15 @@ Possible options may include:
 &`tls_rollback_bug`&
 .endlist
 
+.new
+As an aside, the &`safari_ecdhe_ecdsa_bug`& item is a misnomer and affects
+all clients connecting using the MacOS SecureTransport TLS facility prior
+to MacOS 10.8.4, including email clients.  If you see old MacOS clients failing
+to negotiate TLS then this option value might help, provided that your OpenSSL
+release is new enough to contain this work-around.  This may be a situation
+where you have to upgrade OpenSSL to get buggy clients working.
+.wen
+
 
 .option oracle_servers main "string list" unset
 .cindex "Oracle" "server list"