X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fdoc-docbook%2Fspec.xfpt;h=d33685033962ce81c082cdc3ddca7a73105e0efe;hb=a36d168cb99bc1055c6751102bd9ffbfbb384315;hp=6d858252870ea093605a6218c086d835f639b87e;hpb=67ffc5f1b2a24add79f9eed82136ac3474b67b1e;p=user%2Fhenk%2Fcode%2Fexim.git diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 6d8582528..d33685033 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -6663,6 +6663,13 @@ If the value of &$sender_host_address$& is 192.168.5.6, expansion of the first &%domains%& setting above generates the second setting, which therefore causes a second lookup to occur. +.new +The lookup type may optionally be followed by a comma +and a comma-separated list of options. +Each option is a &"name=value"& pair. +Whether an option is meaningful depands on the lookup type. +.wen + The rest of this chapter describes the different lookup types that are available. Any of them can be used in any part of the configuration where a lookup is permitted. @@ -6680,6 +6687,13 @@ lookup to succeed. The lookup type determines how the file is searched. .new .cindex "tainted data" "single-key lookups" The file string may not be tainted + +.cindex "tainted data" "de-tainting" +All single-key lookups support the option &"ret=key"&. +If this is given and the lookup +(either underlying implementation or cached value) +returns data, the result is replaced with a non-tainted +version of the lookup key. .wen .next .cindex "query-style lookup" "definition of" @@ -14564,6 +14578,7 @@ listed in more than one group. .row &%percent_hack_domains%& "recognize %-hack for these domains" .row &%spamd_address%& "set interface to SpamAssassin" .row &%strict_acl_vars%& "object to unset ACL variables" +.row &%spf_smtp_comment_template%& "template for &$spf_smtp_comment$&" .endtable @@ -17747,6 +17762,48 @@ See section &<>& for more details. This option is available when Exim is compiled with SPF support. See section &<>& for more details. +.new +.option spf_smtp_comment_template main string&!! "Please%_see%_http://www.open-spf.org/Why" +This option is available when Exim is compiled with SPF support. It +allows the customisation of the SMTP comment that the SPF library +generates. You are strongly encouraged to link to your own explanative +site. The template must not contain spaces. If you need spaces in the +output, use the proper placeholder. If libspf2 can not parse the +template, it uses a built-in default broken link. The following placeholders +(along with Exim variables (but see below)) are allowed in the template: +.ilist +&*%_*&: A space. +.next +&*%{L}*&: Envelope sender's local part. +.next +&*%{S}*&: Envelope sender. +.next +&*%{O}*&: Envelope sender's domain. +.next +&*%{D}*&: Current(?) domain. +.next +&*%{I}*&: SMTP client Ip. +.next +&*%{C}*&: SMTP client pretty IP. +.next +&*%{T}*&: Epoch time (UTC). +.next +&*%{P}*&: SMTP client domain name. +.next +&*%{V}*&: IP version. +.next +&*%{H}*&: EHLO/HELO domain. +.next +&*%{R}*&: Receiving domain. +.endlist +The capitalized placeholders do proper URL encoding, if you use them +lowercased, no encoding takes place. This list was compiled from the +libspf2 sources. + +A note on using Exim variables: As currenty the SPF library is initialized +already during the EHLO phase, the amount of variables available for +expansion is quite limited. +.wen .option split_spool_directory main boolean false @@ -40986,13 +41043,16 @@ deny spf = fail message = $sender_host_address is not allowed to send mail from \ ${if def:sender_address_domain \ {$sender_address_domain}{$sender_helo_name}}. \ - Please see http://www.open-spf.org/Why?scope=\ - ${if def:sender_address_domain {mfrom}{helo}};\ + Please see http://www.open-spf.org/Why;\ identity=${if def:sender_address_domain \ {$sender_address}{$sender_helo_name}};\ ip=$sender_host_address .endd +Note: The above mentioned URL may not be as helpful as expected. You are +encouraged to replace the link with a link to a site with more +explanations. + When the spf condition has run, it sets up several expansion variables: @@ -41027,8 +41087,13 @@ variables: .vitem &$spf_smtp_comment$& .vindex &$spf_smtp_comment$& +.vindex &%spf_smtp_comment_template%& This contains a string that can be used in a SMTP response to the calling party. Useful for "fail". +.new + The string is generated by the SPF library from the template configured in the main config + option &%spf_smtp_comment_template%&. +.wen .endlist