{"id":53759,"date":"2019-12-09T00:00:00","date_gmt":"2019-12-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novaya-versiya-pochtovogo-servera-exim-4-93"},"modified":"2020-02-18T14:01:41","modified_gmt":"2020-02-18T11:01:41","slug":"novaya-versiya-pochtovogo-servera-exim-4-93","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-93","title":{"rendered":"\u00c8 disponibile la nuova versione del server di posta Exim 4.93","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo 10 mesi di sviluppo <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Exim\/exim\/releases\/tag\/exim-4.93\">si \u00e8 tenuto<\/a><\/noindex> rilascio del server di posta <noindex><a rel=\"nofollow\" href=\"http:\/\/exim.org\/\">Exim 4.93<\/a><\/noindex>, che include le correzioni accumulate e nuove funzionalit\u00e0. Secondo il sondaggio di novembre, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.securityspace.com\/s_survey\/data\/man.201911\/mxsurvey.html\">su circa un milione di server di posta, Postfix \u00e8 utilizzato nel 34,29% (34,42%) dei server di posta,<\/a><\/noindex> Circa un milione di server di posta, con Exim che detiene il 56,90% (rispetto al 56,56% di un anno fa), Postfix utilizzato nel 34,98% (33,79%) dei server di posta, Sendmail - 3,90% (5,59%), Microsoft Exchange - 0,51% (0,85%). <\/p>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/ChangeLog\">Principali<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/git.exim.org\/exim.git\/blob_plain\/HEAD:\/doc\/doc-txt\/NewStuff\">modifiche<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Supporto per autenticatori esterni (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc4422#appendix-A\">RFC 4422<\/a><\/noindex>). Con il comando \u00abSASL EXTERNAL\u00bb, il client pu\u00f2 informare il server dell'utilizzo di credenziali di autenticazione fornite tramite servizi esterni, come IP Security (RFC4301) e TLS;\n<li class=\"l\"> Aggiunta la possibilit\u00e0 di utilizzare il formato JSON per le verifiche lookup. Sono state anche aggiunte le opzioni di maschere condizionali \u00abforall\u00bb e \u00abany\u00bb, che utilizzano JSON.\n<li class=\"l\"> Sono state aggiunte le variabili $tls_in_cipher_std e $tls_out_cipher_std, contenenti i nomi dei set di cifratura corrispondenti alle designazioni dell'RFC.\n<li class=\"l\"> Sono stati aggiunti nuovi flag per gestire la registrazione dell'identificatore dei messaggi nel log (impostati tramite la configurazione  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.exim.org\/exim-html-current\/doc\/html\/spec_html\/ch-log_files.html\">log_selector<\/a><\/noindex>): \u00abmsg_id\u00bb (incluso di default) con l'identificatore del messaggio e \u00abmsg_id_created\u00bb con l'identificatore generato per il nuovo messaggio.\n<li class=\"l\"> Nel modo \u00abverify=not_blind\u00bb \u00e8 stata aggiunta la supporto all'opzione \u00abcase_insensitive\u00bb per ignorare la distinzione tra maiuscole e minuscole durante la verifica.\n<li class=\"l\"> \u00c8 stata aggiunta un'opzione sperimentale EXPERIMENTAL_TLS_RESUME, che consente di riprendere una connessione TLS precedentemente interrotta.\n<li class=\"l\"> \u00c8 stata aggiunta l'opzione exim_version per sovrascrivere la stringa contenente il numero di versione di Exim, visualizzata in vari luoghi e trasmessa tramite le variabili $exim_version e $version_number.\n<li class=\"l\"> Sono state aggiunte varianti dell'operatore ${sha2_N:} per N=256, 384, 512.\n<li class=\"l\"> Sono state implementate le variabili \u00ab$r_...\u00bb, impostate dalle opzioni di instradamento e disponibili per l'uso nelle decisioni di instradamento e selezione del trasporto.\n<li class=\"l\"> Nelle richieste di lookup SPF \u00e8 stata aggiunta la compatibilit\u00e0 con IPv6.\n<li class=\"l\"> Durante i controlli tramite DKIM \u00e8 stata aggiunta la possibilit\u00e0 di filtrare per tipi di chiavi e hash.\n<li class=\"l\">  Con l'uso di TLS 1.3 \u00e8 stato garantito il supporto per l'estensione del protocollo OCSP (Online Certificate Status Protocol) per <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/OCSP_stapling\">verificare<\/a><\/noindex> la verifica dello stato di revoca del certificato.\n<li class=\"l\"> Aggiunto l'evento \u00absmtp:ehlo\u00bb per monitorare l'elenco delle funzionalit\u00e0 fornite dalla controparte remota.\n<li class=\"l\"> \u00c8 stata aggiunta un'opzione della riga di comando per spostare i messaggi da una coda nominata a un'altra.\n<li class=\"l\"> Aggiunte variabili con le versioni TLS per le richieste in entrata e in uscita - $tls_in_ver e $tls_out_ver.\n<li class=\"l\"> Con l'uso di OpenSSL \u00e8 stata aggiunta la funzione di registrazione dei file con chiavi in formato NSS per decodificare i pacchetti di rete intercettati. Il nome del file \u00e8 impostato tramite la variabile ambiente SSLKEYLOGFILE. Durante la compilazione con GnuTLS, funzionalit\u00e0 simile viene fornita tramite GnuTLS, ma richiede diritti di root.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51995\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 10 \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 4.93, \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 \u043d\u043e\u044f\u0431\u0440\u044c\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 56.90% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 56.56%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.98% (33.79%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, Sendmail &#8212; 3.90% (5.59%), Microsoft Exchange &#8212; 0.51% (0.85%). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 [&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-53759","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 10 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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