diff options
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index a93f61182..0e7d7655c 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -27460,9 +27460,11 @@ This should have meant that certificate identity and verification becomes a non-issue, as a man-in-the-middle attack will cause the correct client and server to see different identifiers and authentication will fail. -This is currently only supported when using the GnuTLS library. This is +.new +This is only usable by mechanisms which support "channel binding"; at time of writing, that's the SCRAM family. +.wen This defaults off to ensure smooth upgrade across Exim releases, in case this option causes some clients to start failing. Some future release |