X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/cc5a3f43827026193110cb663151a95eac4ee379..6e44a10a3f29908c3d5d77eb2e288b7ce8e3a61a:/doc/doc-docbook/spec.xfpt diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 13da87742..84950b541 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -3812,7 +3812,7 @@ by Exim in conjunction with the &%-MC%& option. It signifies that the connection to the remote host has been authenticated. .vitem &%-MCD%& -.oindex "&%-MCAD&" +.oindex "&%-MCD%&" This option is not intended for use by external callers. It is used internally by Exim in conjunction with the &%-MC%& option. It signifies that the remote host supports the ESMTP &_DSN_& extension. @@ -30343,10 +30343,12 @@ It supports a &"generic"& interface to scanners called via the shell, and specialized interfaces for &"daemon"& type virus scanners, which are resident in memory and thus are much faster. +A timeout of 2 minutes is applied to a scanner call (by default); +if it expires then a defer action is taken. .oindex "&%av_scanner%&" -You can set the &%av_scanner%& option in first part of the Exim configuration -file to specify which scanner to use, together with any additional options that +You can set the &%av_scanner%& option in the main part of the configuration +to specify which scanner to use, together with any additional options that are needed. The basic syntax is as follows: .display &`av_scanner = <`&&'scanner-type'&&`>:<`&&'option1'&&`>:<`&&'option2'&&`>:[...]`& @@ -30574,7 +30576,8 @@ which case each use of the &%malware%& condition causes a new scan of the message. The &%malware%& condition takes a right-hand argument that is expanded before -use. It can then be one of +use and taken as a list, slash-separated by default. +The first element can then be one of .ilist &"true"&, &"*"&, or &"1"&, in which case the message is scanned for viruses. @@ -30587,11 +30590,21 @@ the condition fails immediately. A regular expression, in which case the message is scanned for viruses. The condition succeeds if a virus is found and its name matches the regular expression. This allows you to take special actions on certain types of virus. +Note that &"/"& characters in the RE must be doubled due to the list-processing, +unless the separator is changed (in the usual way). .endlist -You can append &`/defer_ok`& to the &%malware%& condition to accept messages -even if there is a problem with the virus scanner. Otherwise, such a problem -causes the ACL to defer. +You can append a &`defer_ok`& element to the &%malware%& argument list to accept +messages even if there is a problem with the virus scanner. +Otherwise, such a problem causes the ACL to defer. + +You can append a &`tmo=`& element to the &%malware%& argument list to +specify a non-default timeout. The default is two minutes. +For example: +.code +malware = * / defer_ok / tmo=10s +.endd +A timeout causes the ACL to defer. .vindex "&$malware_name$&" When a virus is found, the condition sets up an expansion variable called