{"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\/da\/blog\/news\/vsmtp-pochtovyj-server-so-vstroennym-yazykom-dlya-filtraczii-trafika","title":{"rendered":"vSMTP \u2014 en mailserver med indbygget sprog til filtrering af trafik","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

vSMTP-projektet udvikler en ny mailserver (MTA), der har til form\u00e5l at levere h\u00f8j ydeevne og fleksible muligheder for filtrering og trafikstyring. Projektets kode er skrevet i Rust og distribueres under GPLv3-licensen. <\/p>\n

If\u00f8lge resultaterne fra testene offentliggjort af udviklerne er vSMTP ti gange hurtigere end konkurrerende MTA'er. For eksempel viste vSMTP en 4-13 gange h\u00f8jere gennemstr\u00f8mning end Postfix 3.6.4 ved overf\u00f8rsel af beskeder p\u00e5 100 KB og ved 4-16 samtidige sessioner. Den h\u00f8je ydeevne opn\u00e5s gennem anvendelsen af en multitr\u00e5det arkitektur, hvor der anvendes asynkrone kanaler til interaktion mellem tr\u00e5dene.

\"vSMTP<\/center> <\/p>\n

vSMTP udvikles med fokus p\u00e5 h\u00f8j sikkerhed, hvilket opn\u00e5s gennem intensiv testning med b\u00e5de statiske og dynamiske tests, samt ved brug af Rust-sprog, som, n\u00e5r det anvendes korrekt, kan undg\u00e5 mange problemer relateret til hukommelse. Konfigurationsfilerne defineres i TOML-format.

\"vSMTP<\/center> <\/p>\n

Projektets s\u00e6rlige funktion er ogs\u00e5 tilstedev\u00e6relsen af det indbyggede sprog vSL til skrivning af filtreringsscenarier, som g\u00f8r det muligt at oprette meget fleksible regler for afvisning af u\u00f8nsket indhold og trafikstyring. Sproget er baseret p\u00e5 Rhai, som anvender dynamisk typificering og muligg\u00f8r indlejring af kode i Rust-programmer med en syntaks, der minder om en blanding af JavaScript og Rust. Scenarierne har et API til inspektion og modificering af indg\u00e5ende beskeder, omdirigering af beskeder og styring af deres levering til lokale og eksterne v\u00e6rter. I scenarierne underst\u00f8ttes forbindelse til databaser, udf\u00f8relse af vilk\u00e5rlige kommandoer og placering af beskeder i karant\u00e6ne. Udover vSL underst\u00f8tter vSMTP ogs\u00e5 SPF og filtre baseret p\u00e5 \u00e5bne rel\u00e6lister til bek\u00e6mpelse af u\u00f8nskede beskeder. <\/p>\n

I de kommende opdateringer understreges muligheden for integration med SQL-baserede databaser (i \u00f8jeblikket angives oplysninger om adresser og v\u00e6rter i CSV-format) samt underst\u00f8ttelse af DANE (DNS-Based Authentication of Named Entities) og DMARC (Domain-based Message Authentication). I mere avancerede versioner planl\u00e6gges det at implementere mekanismer for BIMI (Brand Indicators for Message Identification) og ARC (Authenticated Received Chain), muligheden for integration med Redis, Memcached og LDAP, midler til beskyttelse mod DDoS og SPAM-bots samt plugins til at organisere kontroller i antiviruspakker (ClamAV, Sophos osv.).
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47vSMTP \u2014 mailserver med indbygget sprog til trafikfiltrering | ProHoster","description":"Projektet vSMTP udvikler en ny mailserver (MTA), der har til form\u00e5l at sikre h\u00f8j ydeevne og tilbyde fleksible muligheder for filtrering og 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