{"id":104685,"date":"2022-07-23T03:36:41","date_gmt":"2022-07-23T01:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vsmtp-pochtovyj-server-so-vstroennym-yazykom-dlya-filtraczii-trafika"},"modified":"2022-07-23T03:36:41","modified_gmt":"2022-07-23T01:36:42","slug":"vsmtp-pochtovyj-server-so-vstroennym-yazykom-dlya-filtraczii-trafika","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vsmtp-pochtovyj-server-so-vstroennym-yazykom-dlya-filtraczii-trafika","title":{"rendered":"vSMTP \u2014 server di posta con linguaggio integrato per la filtrazione del traffico","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il progetto vSMTP sviluppa un nuovo server di posta (MTA), mirato a garantire elevate prestazioni e a fornire possibilit\u00e0 flessibili di filtraggio e gestione del traffico. Il codice del progetto \u00e8 scritto in Rust e distribuito sotto licenza GPLv3.    <\/p>\n<p>Secondo i risultati dei test pubblicati dagli sviluppatori, vSMTP \u00e8 dieci volte pi\u00f9 veloce rispetto ai MTA concorrenti. Ad esempio, vSMTP ha mostrato una capacit\u00e0 di elaborazione da 4 a 13 volte superiore a quella di Postfix 3.6.4 nella trasmissione di messaggi di dimensioni di 100 KB con 4-16 sessioni simultanee. L'elevata prestazione \u00e8 ottenuta grazie all'uso di un'architettura multithread, in cui i thread interagiscono tramite canali asincroni.    <center><img decoding=\"async\" alt=\"vSMTP - server di posta con linguaggio integrato per il filtraggio del traffico \" src=\"\/wp-content\/uploads\/2022\/07\/e83c7a17a983806e63f6957e1098b1ef.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>vSMTP \u00e8 sviluppato con un'attenzione primaria alla sicurezza, raggiunta attraverso test intensivi con l'uso di test statici e dinamici, nonch\u00e9 con l'uso del linguaggio Rust, che permette di evitare molti errori legati alla gestione della memoria se utilizzato correttamente. I file di configurazione sono definiti nel formato TOML.      <center><img decoding=\"async\" alt=\"vSMTP - server di posta con linguaggio integrato per il filtraggio del traffico \" src=\"\/wp-content\/uploads\/2022\/07\/70eaf3e7acba9e6f6f0c23889a23090c.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>Una caratteristica del progetto \u00e8 anche la presenza di un linguaggio integrato, vSL, per la scrittura di script di filtraggio delle email, che consente di creare regole molto flessibili per l'eliminazione di contenuti indesiderati e la gestione del traffico. Il linguaggio si basa su Rhai, un linguaggio tipizzato dinamicamente, che consente di incorporare codice all'interno di programmi in Rust e fornisce una sintassi simile a una miscela tra JavaScript e Rust. Gli script sono dotati di un'API per ispezionare e modificare i messaggi in entrata, reindirizzare i messaggi e gestire la loro consegna a host locali e remoti. Negli script \u00e8 consentita la connessione a basi di dati, l'esecuzione di comandi arbitrari e l'inserimento delle email in quarantena. Oltre a vSL, per combattere lo spam, vSMTP supporta anche SPF e filtri basati su liste di open relay.    <\/p>\n<p>Tra i piani per il prossimo rilascio, si segnala la possibilit\u00e0 di integrazione con DB basati su SQL (attualmente i dati su indirizzi e host sono forniti in formato CSV) e il supporto per i meccanismi di autenticazione DANE (DNS-Based Authentication of Named Entities) e DMARC (Domain-based Message Authentication). Nelle versioni pi\u00f9 avanzate si prevede l'implementazione dei meccanismi BIMI (Brand Indicators for Message Identification) e ARC (Authenticated Received Chain), la possibilit\u00e0 di integrazione con Redis, Memcached e LDAP, strumenti per la protezione da attacchi DDoS e bot di SPAM, plugin per l'organizzazione di controlli nei pacchetti antivirus (ClamAV, Sophos, ecc.).<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57539\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 vSMTP \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 (MTA), \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0433\u0438\u0431\u043a\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u043f\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u043e\u043c. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv3. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430\u043c\u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, vSMTP \u0432 \u0434\u0435\u0441\u044f\u0442\u044c \u0440\u0430\u0437 \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u043a\u043e\u043d\u043a\u0443\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0435 MTA. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, vSMTP \u043f\u043e\u043a\u0430\u0437\u0430\u043b \u0432 4-13 \u0440\u0430\u0437 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0443\u044e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 vSMTP \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442 \u043d\u043e\u0432\u044b\u0439 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 (MTA), \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 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