diff options
| author | Jeremy Harris <jgh146exb@wizmail.org> | 2020-05-07 14:11:49 +0100 |
|---|---|---|
| committer | Jeremy Harris <jgh146exb@wizmail.org> | 2020-05-07 14:55:47 +0100 |
| commit | b16c9f8bdcfd4cce490af9e493489e128f5c8f52 (patch) | |
| tree | e50e702d6eb97f90d4d1288d78d21e885496ffc9 /doc | |
| parent | b6df68c68ad86cafb9531bb6c25fac648d0e706b (diff) | |
I18N: change default on smtp transport, to downconvert-when-needed
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 5 | ||||
| -rw-r--r-- | doc/doc-txt/ChangeLog | 10 |
2 files changed, 13 insertions, 2 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 4069c29db..af28f0cba 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -25672,7 +25672,7 @@ 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. -.option utf8_downconvert smtp integer&!! unset +.option utf8_downconvert smtp integer&!! -1 .cindex utf8 "address downconversion" .cindex i18n "utf8 address downconversion" If built with internationalization support, @@ -25680,7 +25680,8 @@ this option controls conversion of UTF-8 in message envelope addresses to a-label form. 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. +set value is used. To permit use of a previous value, +set this option to an empty string. For details on the values see section &<<SECTi18nMTA>>&. diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 6109a14dd..3cd92b816 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -189,6 +189,16 @@ JH/41 Bug 2571: Fix SPA authenticator. Running as a server, an offset supplied being used. A malicious client could thus cause an out-of-bounds read and possibly gain authentication. Fix by adding the check. +JH/42 Internationalisation: change the default for downconversion in the smtp + transport to be "if needed". Previously it was "as previously set" for + the message, which usually meant "if needed" for message-submission but + "no" for everything else. However, MTAs have been seen using SMTPUTF8 + even when the envelope addresses did not need it, resulting in forwarding + failures to non-supporting MTAs. A downconvert in such cases will be + a no-op on the addresses, merely dropping the use of SMTPUTF8 by the + transport. The change does mean that addresses needing conversion will + be converted when previously a delivery failure would occur. + Exim version 4.93 ----------------- |