{"id":6811,"date":"2026-08-05T14:27:37","date_gmt":"2026-08-05T12:27:37","guid":{"rendered":"https:\/\/www.hostx.ro\/kb\/"},"modified":"2026-08-05T14:27:51","modified_gmt":"2026-08-05T12:27:51","password":"","slug":"rdns-ptr-spf-dkim-si-dmarc-fundatia-unei-reputatii-bune","status":"publish","type":"docs","link":"https:\/\/www.hostx.ro\/kb\/rdns-ptr-spf-dkim-si-dmarc-fundatia-unei-reputatii-bune\/","title":{"rendered":"rDNS\/PTR, SPF, DKIM \u0219i DMARC: funda\u021bia unei reputa\u021bii bune"},"content":{"rendered":"<p>O reputa\u021bie bun\u0103 nu se poate construi f\u0103r\u0103 o <strong>configura\u021bie tehnic\u0103 corect\u0103<\/strong>. Patru elemente sunt esen\u021biale: <strong>rDNS\/PTR<\/strong>, <strong>SPF<\/strong>, <strong>DKIM<\/strong> \u0219i <strong>DMARC<\/strong>.<\/p>\n<h2>rDNS \/ PTR (reverse DNS)<\/h2>\n<p>Un \u00eenregistrare <strong>PTR<\/strong> leag\u0103 adresa IP de un nume de gazd\u0103 (de exemplu <code>mail.domeniultau.ro<\/code>). Furnizorii de email verific\u0103 acest \u201ereverse DNS&#8221;: un IP f\u0103r\u0103 PTR corect este tratat cu suspiciune \u0219i, adesea, respins. Ideal, numele din PTR corespunde cu numele folosit de server la conectare (HELO).<\/p>\n<h2>SPF (Sender Policy Framework)<\/h2>\n<p>SPF este o \u00eenregistrare DNS care listeaz\u0103 serverele autorizate s\u0103 trimit\u0103 email pentru domeniul t\u0103u. Furnizorii verific\u0103 dac\u0103 IP-ul expeditor este \u00een aceast\u0103 list\u0103.<\/p>\n<h2>DKIM (DomainKeys Identified Mail)<\/h2>\n<p>DKIM adaug\u0103 o <strong>semn\u0103tur\u0103 criptografic\u0103<\/strong> mesajelor, prin care destinatarul confirm\u0103 c\u0103 mesajul chiar vine de la domeniul t\u0103u \u0219i nu a fost modificat pe drum.<\/p>\n<h2>DMARC<\/h2>\n<p>DMARC leag\u0103 SPF \u0219i DKIM de domeniul din header-ul \u201eFrom&#8221; \u0219i \u00eei spune furnizorului ce s\u0103 fac\u0103 dac\u0103 verific\u0103rile e\u0219ueaz\u0103 (nimic, carantin\u0103 sau respingere). O politic\u0103 DMARC (chiar \u0219i <code>p=none<\/code> la \u00eenceput) este acum <strong>cerut\u0103<\/strong> de marii furnizori pentru expeditorii \u00een mas\u0103.<\/p>\n<h2>Cum lucreaz\u0103 \u00eempreun\u0103<\/h2>\n<p>rDNS confirm\u0103 serverul, SPF autorizeaz\u0103 IP-ul, DKIM garanteaz\u0103 integritatea, iar DMARC leag\u0103 totul de domeniul vizibil. \u00cempreun\u0103, ele \u00eei spun furnizorului: \u201eacest email este legitim&#8221;. F\u0103r\u0103 ele, chiar \u0219i un IP \u201ecurat&#8221; are livrare slab\u0103.<\/p>\n<div class=\"note\">\n<p><strong>Sfat:<\/strong> Configureaz\u0103 toate cele patru elemente \u00eenainte de a \u00eencepe IP warming-ul sau de a trimite volume importante. Pentru VPS-urile HostX, \u00ee\u021bi putem seta PTR-ul; SPF\/DKIM\/DMARC le configurezi \u00een interfa\u021ba de administrare a zonei DNS a domeniului.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O reputa\u021bie bun\u0103 nu se poate construi f\u0103r\u0103 o configura\u021bie tehnic\u0103 corect\u0103. Patru elemente sunt esen\u021biale: rDNS\/PTR, SPF, DKIM \u0219i DMARC. rDNS \/ PTR (reverse DNS) Un \u00eenregistrare PTR leag\u0103 adresa IP de un nume de gazd\u0103 (de exemplu mail.domeniultau.ro). Furnizorii de email verific\u0103 acest \u201ereverse DNS&#8221;: un IP f\u0103r\u0103 PTR corect este tratat cu &#8230; <a title=\"rDNS\/PTR, SPF, DKIM \u0219i DMARC: funda\u021bia unei reputa\u021bii bune\" class=\"read-more\" href=\"https:\/\/www.hostx.ro\/kb\/rdns-ptr-spf-dkim-si-dmarc-fundatia-unei-reputatii-bune\/\" aria-label=\"Cite\u0219te mai multe despre rDNS\/PTR, SPF, DKIM \u0219i DMARC: funda\u021bia unei reputa\u021bii bune\">Cite\u0219te mai mult<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"whmcs_kb_id":0,"footnotes":""},"doc_category":[533],"doc_tag":[281,286,263,265,536,245,287],"class_list":["post-6811","docs","type-docs","status-publish","hentry","doc_category-reputatie-ip-warming","doc_tag-configurare-email","doc_tag-dkim","doc_tag-dns","doc_tag-email","doc_tag-ip-warming","doc_tag-securitate","doc_tag-spf"],"year_month":"2026-08","word_count":264,"total_views":"1","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"benyhill","author_nicename":"benyhill","author_url":"https:\/\/www.hostx.ro\/kb\/author\/benyhill\/"},"doc_category_info":[{"term_name":"Reputa\u021bie IP \u0219i IP warming","term_url":"https:\/\/www.hostx.ro\/kb\/docs-category\/reputatie-ip-warming\/"}],"doc_tag_info":[{"term_name":"configurare email","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/configurare-email\/"},{"term_name":"DKIM","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/dkim\/"},{"term_name":"DNS","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/dns\/"},{"term_name":"Email","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/email\/"},{"term_name":"IP warming","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/ip-warming\/"},{"term_name":"securitate","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/securitate\/"},{"term_name":"SPF","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/spf\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>rDNS, SPF, DKIM \u0219i DMARC - Reputa\u021bia emailului - Centrul de suport HostX<\/title>\n<meta name=\"description\" content=\"rDNS\/PTR, SPF, DKIM \u0219i DMARC sunt elementele esen\u021biale pentru o reputa\u021bie bun\u0103 a emailului. 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