I18N: add a utf8_downconvert option to the smtp transport. Bug 2248

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

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index d0e3358b8d9d7c040a667cdda06741646a245568..fb5944d959f93261b061a3a8e32f70f88380e744 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -24716,6 +24716,16 @@ The &%tls_verify_certificates%& option must also be set.
 If both this option and &%tls_try_verify_hosts%& are unset
 operation is as if this option selected all hosts.
 
+.new
+.option utf8_downconvert smtp integer!! unset
+.cindex utf8 "address downconversion"
+.cindex i18n "utf8 address downconversion"
+If built with internationalization support,
+this option controls conversion of UTF-8 in message addresses
+to a-label form.
+For details see section &<<SECTi18nMTA>>&.
+.wen
+
 
 
 
@@ -39863,6 +39873,12 @@ If a value is appended it may be:
 If mua_wrapper is set, the utf8_downconvert control
 is initially set to -1.
 
+.new
+The smtp transport has an option &%utf8_downconvert%&.
+If set it must expand to one of the three values described above,
+and it overrides any previously set value.
+.wen
+
 
 There is no explicit support for VRFY and EXPN.
 Configurations supporting these should inspect