{"id":84602,"date":"2020-06-09T13:42:14","date_gmt":"2020-06-09T11:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-pochtovogo-servera-exim-4-94"},"modified":"2020-06-09T13:42:14","modified_gmt":"2020-06-09T11:42:14","slug":"novaya-versiya-pochtovogo-servera-exim-4-94","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-94","title":{"rendered":"New version of the Exim mail server 4.94","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>After 6 months of development <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.exim.org\/lurker\/message\/20200601.152400.f7bce8f6.en.html\">the<\/a><\/noindex> release of the mail server <noindex><a rel=\"nofollow\" href=\"http:\/\/exim.org\/\">Exim 4.94<\/a><\/noindex>, which includes accumulated fixes and new features. According to May's <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.202005\/mxsurvey.html\">automated survey<\/a><\/noindex> About one million mail servers, with Exim accounting for 57.59% (up from 53.03% a year ago), Postfix used on 34.70% (34.51%) of mail servers, Sendmail \u2014 3.75% (4.05%), Microsoft Exchange \u2014 0.42% (0.57%). <\/p>\n<p>Changes in the new release may lead to backward compatibility issues. In particular, certain transports have stopped working with untainted data (tainted, values based on data received from the sender) when determining the delivery location. For example, problems may occur when using the $local_part variable in the 'check_local_user' setting when routing an email. Instead of $local_part, the new cleaned variable '$local_part_data' should be used. Additionally, operand options for headers_remove now allow the use of masks defined with the '*' character, which may lead to configurations that were removing headers ending with the asterisk being disrupted (instead of removing specific headers, removals will happen by mask).<\/p>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/ChangeLog\">Key<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/NewStuff\">changes<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Experimental built-in support for the SRS (Sender Rewriting Scheme) mechanism has been added, allowing the sender's address to be rewritten during forwarding without violating SPF checks (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Sender_Rewriting_Scheme\">Sender Policy Framework<\/a><\/noindex>) and ensuring the preservation of sender data for the server to route messages in case of delivery errors. The essence of the method is that when a connection is established, identity information is transmitted with the original sender, for example, when rewriting alice@example.org to alice@example.com, it will be indicated as 'SRS0=HHH=TT=example.org=alice@example.com'. SRS is relevant, for example, when organizing the work of mailing lists where the original message is forwarded to other recipients.\n<li class=\"l\"> When using OpenSSL, support for channel pinning has been added for <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-smtp_authentication.html\">authenticators<\/a><\/noindex> (previously only supported for GnuTLS).\n<li class=\"l\"> The 'msg:defer' event has been added.\n<li class=\"l\"> Support for the client-side gsasl authenticator has been implemented, which has only been tested with the plaintext handler. The SCRAM-SHA-256 and SCRAM-SHA-256-PLUS methods can only operate via gsasl itself. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-the_gsasl_authenticator.html\">gsasl<\/a><\/noindex>.\n<li class=\"l\">  Support for the gsasl authenticator has been implemented on the server side for encrypted passwords, serving as an alternative to the previously available plaintext mode.\n<li class=\"l\"> Definitions in named lists can now be marked with the 'hide' prefix to suppress content output when executing the '-bP' command.\n<li class=\"l\"> Experimental support for internet sockets has been added to the Dovecot IMAP server authentication driver (previously, only unix-domain sockets were supported).\n<li class=\"l\"> The ACL expression 'queue_only' can now be specified as 'queue' and supports the 'first_pass_route' option, similar to the command line '-odqs' option.\n<li class=\"l\"> New variables $queue_size and $local_part_{pre,suf}fix_v have been added.\n<li class=\"l\"> An option 'sqlite_dbfile' has been added to the main configuration block for use in defining the search string prefix. This change breaks backward compatibility \u2014 the old method of setting the prefix has stopped working when specifying untainted variables in lookup requests. The new method ('sqlite_dbfile') allows keeping the filename separate.\n<li class=\"l\"> Options for returning the full path and filtering file types during matching have been added to the dsearch lookup blocks.\n<li class=\"l\"> Options for specifying the server name separately from the search string have been added to the pgsql and mysql lookup blocks.\n<li class=\"l\"> For lookup blocks performing a single key selection, an option has been added to return a cleaned (de-tainted) version of the key when matches exist, instead of the searched data.\n<li class=\"l\"> For all successful list-match selections, the variables $domain_data and $localpart_data are set (previously, the matched list elements were inserted). Additionally, the elements used in the matching are now assigned to the variables $0, $1, etc.\n<li class=\"l\"> An expansion operator '${listquote {} {}}' has been added.\n<li class=\"l\"> An option has been added to the expansion operator ${readsocket {}{}{}} to ensure that results are cached.\n<li class=\"l\"> The dkim_verify_min_keysizes setting has been added to list the minimum acceptable sizes for public keys.\n<li class=\"l\"> The parameters &#171;bounce_message_file&#187; and &#171;warn_message_file&#187; are now disclosed before their first use.\n<li class=\"l\"> An option &#171;spf_smtp_comment_template&#187; has been added to configure the value of the variable &#171;$spf_smtp_comment&#187;.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53116\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.94, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u043d\u0430\u043a\u043e\u043f\u0438\u0432\u0448\u0438\u0435\u0441\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043c\u0430\u0439\u0441\u043a\u0438\u043c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043e\u043f\u0440\u043e\u0441\u043e\u043c \u043e\u043a\u043e\u043b\u043e \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0434\u043e\u043b\u044f Exim \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 57.59% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 53.03%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.70% (34.51%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, Sendmail &#8212; 3.75% (4.05%), Microsoft Exchange &#8212; 0.42% (0.57%). \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u043e\u0432\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-84602","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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