diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 13 | ||||
| -rw-r--r-- | doc/doc-txt/ChangeLog | 3 |
2 files changed, 12 insertions, 4 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index d78797fb7..d5a16cacc 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -28003,14 +28003,18 @@ is what is wanted for subsequent tests. .cindex "cutthrough" "requesting" This option requests delivery be attempted while the item is being received. -The option usable in the RCPT ACL. +The option is usable in the RCPT ACL. If enabled for a message recieved via smtp and routed to an smtp transport, -and the message has only one recipient, +and only one transport, interface, destination host and port combination +is used for all recipients of the message, then the delivery connection is made while the receiving connection is open and data is copied from one to the other. +An attempt to set this option for any recipient but the first +for a mail will be quietly ignored. If a recipient-verify callout connection is subsequently -requested in the same ACL it is held open and used for the data, +requested in the same ACL it is held open and used for +any subsequent receipients and the data, otherwise one is made after the initial RCPT ACL completes. Note that routers are used in verify mode, @@ -28022,12 +28026,13 @@ Headers may be modified by routers (subject to the above) and transports. Cutthrough delivery is not supported via transport-filters or when DKIM signing of outgoing messages is done, because it sends data to the ultimate destination before the entire message has been received from the source. +It is not supported for messages recieved with the SMTP PRDR option in use. Should the ultimate destination system positively accept or reject the mail, a corresponding indication is given to the source system and nothing is queued. If there is a temporary error the item is queued for later delivery in the usual fashion. If the item is successfully delivered in cutthrough mode -the log line is tagged with ">>" rather than "=>" and appears +the delivery log lines are tagged with ">>" rather than "=>" and appear before the acceptance "<=" line. Delivery in this mode avoids the generation of a bounce mail to a diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index eeefef71c..57df78280 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -44,6 +44,9 @@ JH/10 The smtp_receive_timeout main option is now expanded before use. JH/11 The incoming_interface log option now also enables logging of the local interface on delivery outgoing connections. +JH/12 The cutthrough-routing facility now supports multi-recipient mails, + if the interface and destination host and port all match. + Exim version 4.85 |