diff options
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 07b496676..4069c29db 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -25676,9 +25676,12 @@ operation is as if this option selected all hosts. .cindex utf8 "address downconversion" .cindex i18n "utf8 address downconversion" If built with internationalization support, -this option controls conversion of UTF-8 in message addresses +this option controls conversion of UTF-8 in message envelope addresses to a-label form. -For details see section &<<SECTi18nMTA>>&. +If, after expansion, the value is 1, 0, or -1 then this value overrides +any value previously set for the message. Otherwise, any previously +set value is used. +For details on the values see section &<<SECTi18nMTA>>&. @@ -31097,7 +31100,7 @@ data is read. that are being submitted at the same time using &%-bs%& or &%-bS%&. .vitem &*control&~=&~utf8_downconvert*& -This control enables conversion of UTF-8 in message addresses +This control enables conversion of UTF-8 in message envelope addresses to a-label form. For details see section &<<SECTi18nMTA>>&. .endlist vlist @@ -41524,22 +41527,27 @@ may use the following modifier: control = utf8_downconvert control = utf8_downconvert/<value> .endd -This sets a flag requiring that addresses are converted to -a-label form before smtp delivery, for use in a -Message Submission Agent context. +This sets a flag requiring that envelope addresses are converted to +a-label form before smtp delivery. +This is usually for use in a Message Submission Agent context, +but could be used for any message. + If a value is appended it may be: .display -&`1 `& (default) mandatory downconversion +&`1 `& mandatory downconversion &`0 `& no downconversion &`-1 `& if SMTPUTF8 not supported by destination host .endd +If no value is given, 1 is used. If mua_wrapper is set, the utf8_downconvert control is initially set to -1. 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. +or an empty string. +If non-empty it overrides value previously set +(due to mua_wrapper or by an ACL control). There is no explicit support for VRFY and EXPN. |