.set drivernamemax "64"
.macro copyyear
-2022
+2023
.endmacro
. /////////////////////////////////////////////////////////////////////////////
This option requests Exim to give up trying to deliver the listed messages,
including any that are frozen. However, if any of the messages are active,
their status is not altered. For non-bounce messages, a delivery error message
-is sent to the sender, containing the text &"cancelled by administrator"&.
+is sent to the sender.
Bounce messages are just discarded. This option can be used only by an admin
user.
.oindex &%sqlite_dbfile%&
There are two ways of
specifying the file.
-The first is is by using the &%sqlite_dbfile%& main option.
+The first is by using the &%sqlite_dbfile%& main option.
The second, which allows separate files for each query,
is to use an option appended, comma-separated, to the &"sqlite"&
lookup type word. The option is the word &"file"&, then an equals,
This item inserts &"raw"& header lines. It is described with the &%header%&
expansion item in section &<<SECTexpansionitems>>& above.
-.vitem "&*${run<&'options'&> {*&<&'command&~arg&~list'&>&*}{*&<&'string1'&>&*}&&&
+.vitem "&*${run<&'options'&> {*&<&'command&~string'&>&*}{*&<&'string1'&>&*}&&&
{*&<&'string2'&>&*}}*&"
.cindex "expansion" "running a command"
.cindex "&%run%& expansion item"
and without whitespace.
If the option &'preexpand'& is not used,
-the command string is split into individual arguments by spaces
-and then each argument is expanded.
+the command string before expansion is split into individual arguments by spaces
+and then each argument is separately expanded.
Then the command is run
in a separate process, but under the same uid and gid. As in other command
executions from Exim, a shell is not used by default. If the command requires
a careful assessment for security vulnerabilities should be done.
If the option &'preexpand'& is used,
-the command and its arguments are first expanded as one string. The result is
-split apart into individual arguments by spaces, and then the command is run
-as above.
+the command string is first expanded as a whole.
+The expansion result is split apart into individual arguments by spaces,
+and then the command is run as above.
Since the arguments are split by spaces, when there is a variable expansion
which has an empty result, it will cause the situation that the argument will
simply be omitted when the program is actually executed by Exim. If the
Consult section &<<SECThoslispatip>>& for further details of these patterns.
+The variable &$value$& will be set for a successful match and can be
+used in the success clause of an &%if%& expansion item using the condition.
+Any previous &$value$& is restored after the if.
+
.vitem &*match_local_part&~{*&<&'string1'&>&*}{*&<&'string2'&>&*}*&
.cindex "domain list" "in expansion condition"
.cindex "address list" "in expansion condition"
(If an API is found to let OpenSSL be configured in this way,
let the Exim Maintainers know and we'll likely use it).
.next
-With GnuTLS, if an explicit list is used for the &%tls_privatekey%& main option
-main option, it must be ordered to match the &%tls_certificate%& list.
+With GnuTLS, if an explicit list is used for the &%tls_privatekey%& main option,
+it must be ordered to match the &%tls_certificate%& list.
.next
Some other recently added features may only be available in one or the other.
This should be documented with the feature. If the documentation does not
.next
Add TLSA DNS records. These say what the server certificate for a TLS connection should be.
.next
-Offer a server certificate, or certificate chain, in TLS connections which is is anchored by one of the TLSA records.
+Offer a server certificate, or certificate chain, in TLS connections which is anchored by one of the TLSA records.
.endlist
There are no changes to Exim specific to server-side operation of DANE.
.endlist
-In addition, two ACL conditions are provided:
+In addition, two ACL conditions are provided, usable only in a DKIM ACL:
.vlist
.vitem &%dkim_signers%&
If this value is empty the the expansion result will be empty.
The third argument should be the recipient domain of the message when
it arrived at this system.
+All arguments are expanded before use.
+
+The result of the expansion is the replacement envelope-from (return path)
+to be used.
.endlist
.cindex SRS decoding
To decode an address use this expansion condition:
.vlist
.vitem &*inbound_srs&~{*&<&'local&~part'&>&*}{*&<&'secret'&>&*}*&
-The first argument should be the recipient local prt as is was received.
+The first argument should be the recipient local part as it was received.
The second argument is the site secret.
+Both arguments are expanded before use.
If the messages is not for an SRS-encoded recipient the condition will
-return false. If it is, the condition will return true and the variable
+return false.
+If it is, the condition will return true and the variable
&$srs_recipient$& will be set to the decoded (original) value.
+
+.new
+If the second argument is empty then the condition returns true if
+the first argument is in valid SRS formet, else false.
+The variable &$srs_recipient$& is not set for this case.
+.wen
.endlist
Example usage:
no other use is made of it.
For a tcp:connect event, if the connection is being made to a proxy
-then the address and port variables will be that of the proxy and not
-the target system.
+then the &$host_address$& and &$host_port$& variables
+will be that of the proxy and not the target system.
For tls:cert events, if GnuTLS is in use this will trigger only per
chain element received on the connection.
git://git.exim.org / exim.git / blobdiff