authenticator dynamic modules

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 816db59f9c0b3e5c6fe03c3d5d1f0751782ccd30..f73792ac5f848c5cba8d615846a87a275f2fccdd 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -2069,18 +2069,28 @@ withdrawn.
 
 
 
-.section "Dynamically loaded lookup module support" "SECTdynamicmodules"
+.section "Dynamically loaded module support" "SECTdynamicmodules"
 .cindex "lookup modules"
+.cindex "router modules"
+.cindex "transport modules"
+.cindex "authenticator modules"
 .cindex "dynamic modules"
 .cindex ".so building"
 On some platforms, Exim supports not compiling all lookup types directly into
 the main binary, instead putting some into external modules which can be loaded
 on demand.
 This permits packagers to build Exim with support for lookups with extensive
-library dependencies without requiring all users to install all of those
+library dependencies without requiring all systems to install all of those
 dependencies.
 Most, but not all, lookup types can be built this way.
 
+.new
+Similarly, authenticator, router and transport drivers can be built
+as external modules.
+This permits a smaller exim binary, growing only as needed for the
+runtime cofiguration.
+.wen
+
 Set &`LOOKUP_MODULE_DIR`& to the directory into which the modules will be
 installed; Exim will only load modules from that directory, as a security
 measure.  You will need to set &`CFLAGS_DYNAMIC`& if not already defined
@@ -2091,7 +2101,7 @@ see &_src/EDITME_& for details.
 Then, for each module to be loaded dynamically, define the relevant
 &`LOOKUP_`&<&'lookup_type'&> flags to have the value "2" instead of "yes".
 For example, this will build in lsearch but load sqlite and mysql support
-on demand:
+only if each is installed:
 .code
 LOOKUP_LSEARCH=yes
 LOOKUP_SQLITE=2
@@ -16632,7 +16642,7 @@ has been built with LDAP support.
 .cindex "ESMTP extensions" LIMITS
 This option can be used to suppress the advertisement of the SMTP
 LIMITS extension (RFC 9422) to specific hosts.
-If permitted, Exim as a servier will advertise in the EHLO response
+If permitted, Exim as a server will advertise in the EHLO response
 the limit for RCPT commands set by the &%recipients_max%& option (if it is set)
 and the limit for MAIL commands set by the &%smtp_accept_max_per_connection%&
 option.
@@ -17196,7 +17206,7 @@ See also the &%hosts_pipe_connect%& smtp transport option.
 
 The SMTP service extension keyword advertised is &"PIPECONNECT"&;
 it permits the client to pipeline
-TCP connection and hello command (inclear phase),
+TCP connection and hello command (cleatext phase),
 or TLS-establishment and hello command (encrypted phase),
 on later connections to the same host.