diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 23 | ||||
| -rw-r--r-- | doc/doc-txt/ChangeLog | 2 | ||||
| -rw-r--r-- | doc/doc-txt/NewStuff | 5 | ||||
| -rw-r--r-- | doc/doc-txt/OptionLists.txt | 1 |
4 files changed, 31 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 64aac1ae5..15a8f3550 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -2938,6 +2938,7 @@ if this is required. If the &%bi_command%& option is not set, calling Exim with &%-bi%& is a no-op. .new +. // Keep :help first, then the rest in alphabetical order .vitem &%-bI:help%& .oindex "&%-bI:help%&" .cindex "querying exim information" @@ -2947,6 +2948,12 @@ consumption. This one is not. The &%-bI:help%& option asks Exim for a synopsis of supported options beginning &`-bI:`&. Use of any of these options shall cause Exim to exit after producing the requested output. +.vitem &%-bI:dscp%& +.oindex "&%-bI:dscp%&" +.cindex "DSCP" "values" +This option causes Exim to emit an alphabetically sorted list of all +recognised DSCP names. + .vitem &%-bI:sieve%& .oindex "&%-bI:sieve%&" .cindex "Sieve filter" "capabilities" @@ -22094,6 +22101,22 @@ See the &%search_parents%& option in chapter &<<CHAPdnslookup>>& for more details. +.new +.option dscp smtp string unset +.cindex "DCSP" +.cindex "DiffServ" +This option causes the DSCP value associated with a socket to be set to one +of a number of fixed strings. The &%-bI:dscp%& option may be used to ask +Exim which values it knows of. Common values include &`throughput`&, +&`mincost`&, and on newer systems &`ef`&, &`af41`&, ... + +The outbound packets from Exim will be marked with this value in the header +(for IPv4, the TOS field; for IPv6, the TCLASS field); there is no guarantee +that these packets will have any effect, not be stripped by networking +equipment, or do much of anything without cooperation with your Network +Engineer and those of all network operators between the source and destination. +.wen + .option fallback_hosts smtp "string list" unset .cindex "fallback" "hosts specified on transport" diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 34f940592..1e8063bf3 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -16,6 +16,8 @@ PP/04 First step towards DNSSEC, provide $sender_host_dnssec for $sender_host_name and config options to manage this, and basic check routines. +PP/05 DSCP support for outbound connections. + Exim version 4.80 ----------------- diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index 093feee72..2aaf56232 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -39,6 +39,11 @@ Version 4.81 Current status: work-in-progress; $sender_host_dnssec variable added. + 5. DSCP support for outbound connections: on a transport using the smtp driver, + set "dscp = ef", for instance, to cause the connections to have the relevant + DSCP (IPv4 TOS or IPv6 TCLASS) value in the header. Supported values depend + upon system libraries. "exim -bI:dscp" to list the ones Exim knows of. + Version 4.80 ------------ diff --git a/doc/doc-txt/OptionLists.txt b/doc/doc-txt/OptionLists.txt index 20d8dbdc5..1c7881e76 100644 --- a/doc/doc-txt/OptionLists.txt +++ b/doc/doc-txt/OptionLists.txt @@ -187,6 +187,7 @@ driver string unset authenticator unset routers 4.00 unset transports drop_cr boolean false main 4.00 became a no-op in 4.21 +dscp string unset smtp 4.81 dsn_from string* + main 4.67 envelope_to_add boolean false transports envelope_to_remove boolean true main |