{"id":8082,"date":"2026-10-13T13:34:56","date_gmt":"2026-10-13T11:34:56","guid":{"rendered":"https:\/\/eu.klytic.com\/?page_id=8082"},"modified":"2026-10-13T13:34:56","modified_gmt":"2026-10-13T11:34:56","slug":"spf-dkim-dmarc-cad-a-chosnaionn-siad","status":"publish","type":"page","link":"https:\/\/eu.klytic.com\/ga\/spf-dkim-dmarc-cad-a-chosnaionn-siad\/","title":{"rendered":"SPF, DKIM agus DMARC: cad a chosna\u00edonn siad, agus cad nach gcosna\u00edonn siad"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"8082\" class=\"elementor elementor-8082 elementor-6295\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22ca3e1 e-con-full kly-g e-flex e-con e-parent\" data-id=\"22ca3e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-41c43e7 e-con-full kly-g-hero e-flex e-con e-parent\" data-id=\"41c43e7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-602906a e-con-full kly-g-hero-in e-flex e-con e-parent\" data-id=\"602906a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8165b9c elementor-widget elementor-widget-text-editor\" data-id=\"8165b9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-crumb\"><a href=\"\/ga\/\">Baile<\/a><span>\u203a<\/span><a href=\"\/ga\/treoracha\/\">Treoracha<\/a><span>\u203a<\/span><a href=\"\/ga\/treoracha\/slandail-riomhphoist\/\">Sl\u00e1nd\u00e1il r\u00edomhphoist<\/a><\/p><p class=\"kly-g-pill\" style=\"--pill:#f87171\">Sl\u00e1nd\u00e1il r\u00edomhphoist \u00b7 Tuiscint<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e8cd59 elementor-widget elementor-widget-heading\" data-id=\"2e8cd59\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">SPF, DKIM agus DMARC: cad a chosna\u00edonn siad, agus cad nach gcosna\u00edonn siad<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f16e1d elementor-widget elementor-widget-text-editor\" data-id=\"1f16e1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-lead\">Ins\u00edonn SPF c\u00e9 na freastalaithe at\u00e1 in ann seoladh thar ceann fearainn, s\u00edn\u00edonn DKIM an teachtaireacht, agus f\u00edora\u00edonn DMARC go bhfreagra\u00edonn ceann den d\u00e1 cheann don fhearann a thaispe\u00e1ntar sa r\u00e9imse \u201c\u00d3\u201d, agus ins\u00edonn s\u00e9 cad is ceart a dh\u00e9anamh m\u00e1 theipeann air. Le ch\u00e9ile, coisceann siad ar strains\u00e9ir d\u2019fhearann cruinn a \u00fas\u00e1id. N\u00ed l\u00e9ann siad an t\u00e9acs: t\u00e9ann fearann cos\u00fail, ainm taispe\u00e1na meabhlach n\u00f3 cuntas comhr\u00e9itithe tr\u00edd.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5fb089 elementor-widget elementor-widget-text-editor\" data-id=\"c5fb089\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"kly-g-meta\"><span>Nuashonraithe i <b>Deireadh F\u00f3mhair 2026<\/b><\/span><span><b>6 n\u00f3im.<\/b> l\u00e9itheoireachta<\/span><span>Foins\u00ed oifigi\u00fala luaite<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-09cf74a e-con-full kly-g-body e-flex e-con e-parent\" data-id=\"09cf74a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-c93747d e-con-full kly-g-article e-flex e-con e-parent\" data-id=\"c93747d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-95048b5 elementor-widget elementor-widget-text-editor\" data-id=\"95048b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>SPF: c\u00e9 a bhfuil cead aige seoladh<\/h2><p>Tosa\u00edonn RFC 7208 le f\u00edric: n\u00edl aon rud i bpr\u00f3tacal an r\u00edomhphoist a choisceann ar fhreastala\u00ed seoladh seolt\u00f3ra ar bith a fh\u00f3gairt. Ligeann SPF d\u2019\u00fain\u00e9ir fearainn liosta na bhfreastalaithe a bhfuil cead acu seoladh thar a cheann a fhoilsi\u00fa sa DNS, agus ligeann s\u00e9 don fhreastala\u00ed glactha an cead sin a fh\u00edor\u00fa.<\/p><p>Athra\u00edonn dh\u00e1 mhionsonra gach rud:<\/p><ul><li>F\u00edora\u00edonn SPF seoladh an chl\u00fadaigh (seoladh an chomhr\u00e1 idir freastalaithe, \u201cMAIL FROM\u201d) agus an t-ainm a fh\u00f3gra\u00edonn an freastala\u00ed, n\u00ed an seoladh a l\u00e9ann an faighteoir sa r\u00e9imse \u201c\u00d3\u201d.<\/li><li>Breithn\u00edonn SPF an freastala\u00ed deireanach a sheachaid an teachtaireacht. Nuair a chuireann freastala\u00ed eile teachtaireacht ar aghaidh, n\u00ed freastala\u00ed a bhfuil cead aige \u00f3n bhfearann bunaidh a sheachadann \u00ed a thuilleadh: d\u2019fh\u00e9adfadh an f\u00edor\u00fa teip c\u00e9 go bhfuil an teachtaireacht dlisteanach.<\/li><\/ul><p>N\u00ed fhoils\u00edonn fearann ach taifead SPF amh\u00e1in. B\u00edonn gach foinse seolta ann: an tseirbh\u00eds r\u00edomhphoist, na bogearra\u00ed sonrasc\u00e1la, an uirlis nuachtlitreacha, an CRM, an f\u00f3tach\u00f3ipe\u00e1la\u00ed a scanann chuig r\u00edomhphost.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df6ba24 elementor-widget elementor-widget-text-editor\" data-id=\"df6ba24\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>DKIM: t\u00e1 an teachtaireacht s\u00ednithe<\/h2><p>De r\u00e9ir RFC 6376, ligeann DKIM d\u2019\u00fain\u00e9ir fearainn s\u00ednithe cuid den fhreagracht as teachtaireacht a \u00e9ileamh, tr\u00ed sh\u00edni\u00fa cripteagrafach. T\u00e1 an eochair phoibl\u00ed sa DNS. Nuair a fh\u00edora\u00edtear an s\u00edni\u00fa, deimhn\u00edtear n\u00e1r athraigh na codanna s\u00ednithe \u00f3n uair a s\u00edn\u00edodh iad.<\/p><p>Taisteala\u00edonn an s\u00edni\u00fa leis an teachtaireacht. Mar sin, tagann s\u00e9 sl\u00e1n \u00f3 athsheachad\u00e1n n\u00f3 \u00f3 chur ar aghaidh n\u00edos fearr n\u00e1 SPF, chomh fada is nach n-athra\u00edonn an t-athsheachad\u00e1n sin an t-\u00e1bhar n\u00e1 an corp. Briseann liosta seachadta a chuireann n\u00f3ta ag bun na teachtaireachta \u00e9.<\/p><p>An m\u00e9id nach nd\u00e9anann DKIM, de r\u00e9ir an RFC ch\u00e9anna: n\u00ed chript\u00edonn s\u00e9 an teachtaireacht, n\u00ed \u00e9il\u00edonn teip go ndi\u00falt\u00f3fa\u00ed di, agus n\u00ed g\u00e1 gurb \u00e9 an fearann a sh\u00edn\u00edonn an fearann a thaispe\u00e1ntar sa r\u00e9imse \u201c\u00d3\u201d. Sin go d\u00edreach an bhearna a l\u00edonann DMARC.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8df631 elementor-widget elementor-widget-text-editor\" data-id=\"a8df631\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>DMARC: ail\u00edni\u00fa agus polasa\u00ed<\/h2><p>Sainmh\u00edn\u00edonn RFC 7489 DMARC mar mhodh a ligeann d\u2019\u00fain\u00e9ir fearainn polasa\u00ed a chur in i\u00fal ar leibh\u00e9al an fhearainn. Braitheann an mheicn\u00edocht ar ail\u00edni\u00fa: caithfidh fearann an tseolta a thaispe\u00e1ntar sa r\u00e9imse \u201c\u00d3\u201d freagairt don fhearann a bhail\u00edochtaigh SPF n\u00f3 DKIM. Mura bhfuil ceachtar acu ail\u00ednithe, teipeann ar DMARC.<\/p><p>Foils\u00edonn an fearann ansin an rud is mian leis:<\/p><ul><li><strong>none<\/strong>: n\u00edl aon ghn\u00edomh \u00e1 iarraidh, d\u00e9antar breathn\u00fa;<\/li><li><strong>quarantine<\/strong>: caitear leis an teachtaireacht mar theachtaireacht amhrasach;<\/li><li><strong>reject<\/strong>: di\u00falta\u00edtear don teachtaireacht.<\/li><\/ul><p>T\u00e1 tuairisc\u00ed i gceist le DMARC freisin: tuairisc\u00ed comhioml\u00e1na, a dh\u00e9anann achoimre ar na freastalaithe a sheol thar ceann an fhearainn agus ar an toradh, agus tuairisc\u00ed teipe, teachtaireacht ar theachtaireacht. Is iad a ligeann duit uirlis dhearmadta a sheolann thar do cheann a aimsi\u00fa, n\u00f3 duine at\u00e1 ag d\u00e9anamh aithrise ar d\u2019fhearann.<\/p><div class=\"kly-table\"><table><thead><tr><th>Meicn\u00edocht<\/th><th>An m\u00e9id a fh\u00edora\u00edonn s\u00ed<\/th><th>An m\u00e9id nach bhf\u00e9achann s\u00ed air<\/th><\/tr><\/thead><tbody><tr><td>SPF<\/td><td>T\u00e1 cead ag an bhfreastala\u00ed a sheachadann an teachtaireacht \u00f3 fhearann an chl\u00fadaigh<\/td><td>An seoladh a thaispe\u00e1ntar, an t-\u00e1bhar<\/td><\/tr><tr><td>DKIM<\/td><td>N\u00edor athra\u00edodh an teachtaireacht sh\u00ednithe; glacann fearann freagracht aisti<\/td><td>An seoladh a thaispe\u00e1ntar, mac\u00e1ntacht an \u00e1bhair<\/td><\/tr><tr><td>DMARC<\/td><td>T\u00e1 an fearann a thaispe\u00e1ntar ail\u00ednithe le SPF n\u00f3 DKIM; polasa\u00ed i gc\u00e1s teipe<\/td><td>Fearainn chos\u00fala, an t-ainm taispe\u00e1na, an t\u00e9acs<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31ea55c elementor-widget elementor-widget-text-editor\" data-id=\"31ea55c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>An stopann DMARC fioscaireacht?<\/h2><p>Stopann s\u00e9 cuid den aithris bhr\u00e9agach ar an bhfearann, n\u00ed fioscaireacht i gcoitinne. Deir RFC 7489 go soil\u00e9ir \u00e9: n\u00ed phl\u00e9ann DMARC le hainmneacha fearainn at\u00e1 cos\u00fail \u00f3 thaobh amhairc, n\u00e1 le m\u00ed-\u00fas\u00e1id an ainm taispe\u00e1na, agus t\u00e1 anail\u00eds an \u00e1bhair lasmuigh d\u00e1 raon. N\u00ed dh\u00e9anann s\u00e9 iarracht fadhbanna uile an phoist chalaoisigh a r\u00e9iteach.<\/p><p>Go praitici\u00fail, n\u00ed fheiceann DMARC:<\/p><ul><li><strong>fearann cos\u00fail<\/strong>: f\u00edordheimhn\u00edonn an calaois\u00ed a fhearann f\u00e9in go foirfe, fearann at\u00e1 cos\u00fail le d\u2019fhearann f\u00e9in;<\/li><li><strong>ainm taispe\u00e1na br\u00e9agach<\/strong>: \u201cSeirbh\u00eds chuntasa\u00edochta\u201d scr\u00edofa \u00f3 sheoladh nach mbaineann leis;<\/li><li><strong>cuntas comhr\u00e9itithe<\/strong> a sh\u00edn\u00edonn i gceart, \u00f3s \u00e9 an f\u00edorfhreastala\u00ed a sheolann;<\/li><li><strong>teachtaireacht nach mbaineann le d\u2019fhearann<\/strong>: tagann foll\u00e1ireamh br\u00e9agach \u00f3 iompr\u00f3ir \u00f3 fhearann nach bhfuil baint ar bith aige le d\u2019fhearann;<\/li><li><strong>fearann gan polasa\u00ed<\/strong>: m\u00e1 fhoils\u00edonn an fearann faoi aithris \u201cnone\u201d, n\u00edl aon treoir di\u00faltaithe ag an bhfaighteoir.<\/li><\/ul><p>Baineann na c\u00e1sanna seo le hanail\u00eds\u00ed eile: cos\u00falacht na bhfearann, cl\u00fa, \u00e1bhar, iompar. F\u00e9ach <a href='\/ga\/turscar-fioscaireacht-bogearrai-mailiseacha-cuntas\/'>turscar, fioscaireacht, bogearra\u00ed mail\u00edseacha agus cuntas comhr\u00e9itithe<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25404f2 elementor-widget elementor-widget-text-editor\" data-id=\"25404f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Cur ar aghaidh agus liosta\u00ed seachadta: ARC<\/h2><p>Is minic a bhriseann cur ar aghaidh SPF, briseann liosta a athra\u00edonn an teachtaireacht DKIM, agus teipeann ar DMARC ansin ar theachtaireacht dhlisteanach. Ligeann ARC, a bhfuil cur s\u00edos air in RFC 8617 (st\u00e1das turgnamhach), do gach idirghabh\u00e1la\u00ed an toradh f\u00edordheimhnithe a chonaic s\u00e9 a dhearbh\u00fa. Is f\u00e9idir leis an bhfreastala\u00ed deiridh cinneadh an mbeidh aird aige air.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab0dcba elementor-widget elementor-widget-text-editor\" data-id=\"ab0dcba\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>D\u2019fhearann a chosaint, an post isteach a scagadh<\/h2><p>Is minic a mheasctar an d\u00e1 \u00e1bhar seo.<\/p><ul><li><strong>An fearann a sheolann a chosaint<\/strong>: SPF, DKIM agus DMARC a fhoilsi\u00fa do d\u2019fhearann, ionas gur f\u00e9idir le daoine eile di\u00falt\u00fa do theachtaireachta\u00ed a dh\u00e9anann aithris air. Is tusa a fhoils\u00edonn; is iad na faighteoir\u00ed a chuireann i bhfeidhm.<\/li><li><strong>An post isteach a scagadh<\/strong>: taifid na bhfearann eile a fh\u00edor\u00fa ar an bpost a fhaigheann t\u00fa, agus na hanail\u00eds\u00ed eile go l\u00e9ir a chur i bhfeidhm ansin.<\/li><\/ul><h3>Cur i bhfeidhm c\u00e9imseach<\/h3><ol><li>Fardal de gach rud a sheolann thar ceann an fhearainn.<\/li><li>Taifead SPF amh\u00e1in a thugann cead d\u00f3ibh; s\u00edni\u00fa DKIM do gach seirbh\u00eds at\u00e1 in ann s\u00edni\u00fa.<\/li><li>DMARC ar \u201cnone\u201d, le seoladh chun na tuairisc\u00ed a fh\u00e1il.<\/li><li>Na tuairisc\u00ed a l\u00e9amh ar feadh roinnt seachtain\u00ed; na foins\u00ed dearmadta a cheart\u00fa.<\/li><li>Aistri\u00fa go \u201cquarantine\u201d, ansin go \u201creject\u201d nuair at\u00e1 na seolta\u00ed dlisteanacha go l\u00e9ir ail\u00ednithe.<\/li><\/ol><p>Sampla, mar l\u00e9iri\u00fa. Foils\u00edonn gn\u00f3lacht gairmi\u00fail DMARC ar \u201cnone\u201d agus l\u00e9ann s\u00e9 a ch\u00e9ad tuairisc\u00ed. Aims\u00edonn s\u00e9 tr\u00ed fhoinse iontu: a sheirbh\u00eds r\u00edomhphoist, ail\u00ednithe go maith; a bhogearra\u00ed sonrasc\u00e1la, a sheolann na sonraisc le fearann an ghn\u00f3lachta gan s\u00edni\u00fa DKIM; agus freastala\u00ed anaithnid thar lear a sheolann na c\u00e9adta teachtaireacht ina ainm. Cearta\u00edonn s\u00e9 na bogearra\u00ed sonrasc\u00e1la, fanann s\u00e9 le timthriall glan tuairisc\u00ed, agus aistr\u00edonn s\u00e9 go \u201cquarantine\u201d: caitheann na faighteoir\u00ed a chuireann DMARC i bhfeidhm le teachtaireachta\u00ed an fhreastala\u00ed anaithnid mar theachtaireachta\u00ed amhrasacha as seo amach.<\/p><p>An l\u00e1 a athra\u00edonn t\u00fa seirbh\u00eds r\u00edomhphoist, ullmha\u00edtear na taifid seo roimh athr\u00fa an MX. D\u00e9anann an treoir <a href='\/ga\/aistriu-riomhphoist-gan-bhriseadh\/'>imirce r\u00edomhphoist gan bhriseadh<\/a> cur s\u00edos ar an tr\u00e1th sin; n\u00ed dh\u00e9antar \u00e9 a athr\u00e1 anseo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a2c59d elementor-widget elementor-widget-text-editor\" data-id=\"5a2c59d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Ceisteanna coitianta<\/h2><h3>An gcosna\u00edonn polasa\u00ed DMARC \u201cnone\u201d?<\/h3><p>N\u00ed chosna\u00edonn. Ligeann s\u00e9 breathn\u00fa a dh\u00e9anamh a bhu\u00ed leis na tuairisc\u00ed. Tosa\u00edonn an chosaint le \u201cquarantine\u201d n\u00f3 \u201creject\u201d.<\/p><h3>C\u00e9n f\u00e1th a dteipeann DMARC ar theachtaireacht dhlisteanach?<\/h3><p>Go minic: cur ar aghaidh, liosta seachadta, n\u00f3 seirbh\u00eds a sheolann thar do cheann gan a bheith dearbhaithe in SPF n\u00e1 ag s\u00edni\u00fa le DKIM.<\/p><h3>N\u00ed sh\u00edn\u00edonn \u00e1r seirbh\u00eds r\u00edomhphoist le DKIM: cad is ceart a dh\u00e9anamh?<\/h3><p>Is f\u00e9idir le geata at\u00e1 ar chonair an phoist amach s\u00edni\u00fa ina h\u00e1it. F\u00e9ach <a href='\/ga\/an-tseirbhis-riomhphoist-ata-agat-a-chosaint\/'>An tseirbh\u00eds r\u00edomhphoist at\u00e1 agat cheana a chosaint<\/a>.<\/p><h3>C\u00e1 l\u00e9itear toradh na seice\u00e1lacha seo ar theachtaireacht a fuarthas?<\/h3><p>I gceannt\u00e1sca na teachtaireachta. Do Klytic MTA, f\u00e9ach <a href='\/ga\/cinneadh-an-scagaire-a-leamh-agus-a-easportail\/'>Cinneadh an scagaire a l\u00e9amh agus a easp\u00f3rt\u00e1il<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdf9860 kly-g-klytic elementor-widget elementor-widget-text-editor\" data-id=\"bdf9860\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>C\u00e1 seasann Klytic<\/h2><p>Pl\u00e9ann <a href='\/ga\/klytic-mta\/'>Klytic MTA<\/a> leis an d\u00e1 \u00e1bhar, os comhair aon tseirbh\u00edse r\u00edomhphoist:<\/p><ul><li><strong>Essential agus Advanced<\/strong>: seice\u00e1il SPF, DKIM agus MX; f\u00edor\u00fa DMARC, teachtaireachta\u00ed curtha ar aghaidh san \u00e1ireamh a bhu\u00ed le ARC; s\u00edni\u00fa DKIM ar an bpost amach, fi\u00fa mura nd\u00e9anann do sheirbh\u00eds r\u00edomhphoist \u00e9.<\/li><li><strong>Advanced<\/strong>: cons\u00f3l DMARC, le tuairisc\u00ed d\u2019fhearann, foll\u00e1irimh agus molta\u00ed ceart\u00fach\u00e1in, chun an t-aistri\u00fa c\u00e9imseach go \u201creject\u201d a sti\u00faradh.<\/li><\/ul><p>N\u00edl i DMARC ach ciseal amh\u00e1in: cuireann Klytic MTA brath fearann cos\u00fail, ainm taispe\u00e1na agus c\u00e1sanna calaoise leis, mar a bhfuil cur s\u00edos air in <a href='\/ga\/aithris-bhreagach-calaois-pof\/'>aithris bhr\u00e9agach agus calaois POF<\/a>.<\/p><p>M\u00e1 \u00fas\u00e1ideann t\u00fa <a href='\/ga\/klytic-mail\/'>Klytic Mail<\/a>, t\u00e1 SPF, DKIM agus DMARC cumraithe do d\u2019fhearann: sin cosaint an fhearainn a sheolann. Is f\u00e9idir Klytic MTA a fh\u00e1il le Klytic Mail n\u00f3 gan \u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3ab1f2 kly-g-sources elementor-widget elementor-widget-text-editor\" data-id=\"e3ab1f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Foins\u00ed<\/h2><p>Ceadaithe i nDeireadh F\u00f3mhair 2026.<\/p><ul><li>RFC 7208, SPF: foils\u00edonn \u00fain\u00e9ir fearainn na h\u00f3staigh a bhfuil cead acu a fhearann a \u00fas\u00e1id san fh\u00e9ini\u00falacht \u201cMAIL FROM\u201d n\u00f3 \u201cHELO\u201d, agus f\u00edora\u00edonn an glacad\u00f3ir an cead sin. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc7208' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>RFC 6376, DKIM: \u00e9il\u00edonn fearann freagracht as teachtaireacht tr\u00ed sh\u00edni\u00fa cripteagrafach; gan chripti\u00fa, gan di\u00falt\u00fa \u00e9igeantach, is f\u00e9idir le fearann an ts\u00ednithe a bheith difri\u00fail \u00f3n \u00fadar a thaispe\u00e1ntar. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc6376' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>RFC 7489, DMARC: ail\u00edni\u00fa fhearann \u201cFrom\u201d le SPF n\u00f3 DKIM, polasaithe none, quarantine agus reject, tuairisc\u00ed comhioml\u00e1na agus teipe; fearainn at\u00e1 cos\u00fail \u00f3 thaobh amhairc, an t-ainm taispe\u00e1na agus anail\u00eds an \u00e1bhair lasmuigh den raon. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc7489' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>RFC 9989 (Bealtaine 2026), a thagann in \u00e1it RFC 7489: na luachanna polasa\u00ed c\u00e9anna agus na heisiaimh ch\u00e9anna (fearainn chos\u00fala, ainm taispe\u00e1na). <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc9989' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>RFC 8617, ARC (turgnamhach): slabhra tarchuir f\u00edordheimhnithe; is f\u00e9idir le glacad\u00f3ir DMARC glacadh leis na meas\u00fanuithe a iompra\u00edonn slabhra ARC bail\u00ed. <a href='https:\/\/www.rfc-editor.org\/rfc\/rfc8617' rel='noopener' target='_blank'>rfc-editor.org<\/a><\/li><li>Klytic, leathanach Klytic MTA: seice\u00e1lacha f\u00edordheimhnithe, s\u00edni\u00fa DKIM ar an bpost amach agus cons\u00f3l DMARC na bpleananna Essential agus Advanced, roghanna, modhanna imscartha, cur ar bun tr\u00edd an MX. <a href='https:\/\/www.klytic.com\/klytic-mta\/' rel='noopener' target='_blank'>klytic.com<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a1340c5 e-con-full kly-g-aside e-flex e-con e-parent\" data-id=\"a1340c5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46e2e6d elementor-widget elementor-widget-html\" data-id=\"46e2e6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<nav class=\"kly-g-toc\" aria-label=\"Ar an leathanach seo\"><p>Ar an leathanach seo<\/p><ol><\/ol><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5355fc elementor-widget elementor-widget-text-editor\" data-id=\"d5355fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"kly-g-cta\"><h3>F\u00edor\u00fa agus s\u00edni\u00fa, os comhair do sheirbh\u00edse r\u00edomhphoist<\/h3><p>F\u00edora\u00edonn Klytic MTA SPF, DKIM agus DMARC ag an teacht isteach agus s\u00edn\u00edonn s\u00e9 do phost amach.<\/p><p><a class=\"kly-g-btn\" href=\"\/ga\/teagmhail\/\">Labhair le comhairleoir \u2192<\/a><\/p><p style=\"margin:0\"><a class=\"kly-g-btn ghost\" href=\"\/ga\/klytic-mta\/\">Faigh eolas ar Klytic MTA<\/a><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a78c6de e-con-full kly-g-related e-flex e-con e-parent\" data-id=\"a78c6de\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b7db40d elementor-widget elementor-widget-text-editor\" data-id=\"b7db40d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>L\u00e9igh freisin<\/h2><div class=\"kly-g-grid\"><a class=\"kly-g-card\" href=\"\/ga\/aistriu-riomhphoist-gan-bhriseadh\/\" style=\"--cat:#0077cc\"><span class=\"c\">Imirce<\/span><span class=\"t\">Conas r\u00edomhphost gn\u00f3 a aistri\u00fa gan bhriseadh seirbh\u00edse?<\/span><span class=\"q\">Comhbheith, an dara babhta, TTL an MX, SPF, DKIM, DMARC agus t\u00e1st\u00e1lacha seolta: seirbh\u00eds r\u00edomhphoist a athr\u00fa gan post a chailleadh, agus a bhfuil le feice\u00e1il f\u00f3s.<\/span><span class=\"m\"><span>Treoir<\/span><b>L\u00e9igh \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/ga\/turscar-fioscaireacht-bogearrai-mailiseacha-cuntas\/\" style=\"--cat:#dc2626\"><span class=\"c\">Tuiscint \u00b7 Sl\u00e1nd\u00e1il r\u00edomhphoist<\/span><span class=\"t\">Turscar, fioscaireacht, bogearra\u00ed mail\u00edseacha agus cuntas comhr\u00e9itithe<\/span><span class=\"q\">Ceithre bhagairt tr\u00edd an doras c\u00e9anna, ceithre ch\u00f3ire\u00e1il \u00e9ags\u00fala. A sceitheann gach ceann, a stopann \u00ed, agus c\u00e9n f\u00e1th nach leor frith-thurscar.<\/span><span class=\"m\"><span>6 n\u00f3im. l\u00e9itheoireachta<\/span><b>L\u00e9igh \u2192<\/b><\/span><\/a><a class=\"kly-g-card\" href=\"\/ga\/an-tseirbhis-riomhphoist-ata-agat-a-chosaint\/\" style=\"--cat:#dc2626\"><span class=\"c\">Tuiscint \u00b7 Sl\u00e1nd\u00e1il r\u00edomhphoist<\/span><span class=\"t\">An tseirbh\u00eds r\u00edomhphoist at\u00e1 agat cheana a chosaint<\/span><span class=\"q\">Microsoft 365, Google Workspace, Exchange: geata sl\u00e1nd\u00e1la gan an tseirbh\u00eds r\u00edomhphoist a athr\u00fa. An m\u00e9id a athra\u00edonn, c\u00e9 a shocra\u00edonn \u00e9, na teorainneacha.<\/span><span class=\"m\"><span>7 n\u00f3im. l\u00e9itheoireachta<\/span><b>L\u00e9igh \u2192<\/b><\/span><\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-539316dd e-con e-atomic-element e-div-block-base e-default-div e-c9fd865-4a50 \" data-id=\"539316dd\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"539316dd\" data-e-type=\"e-div-block\" data-id=\"539316dd\">\n    <div class=\"elementor-element elementor-element-4f79afcb e-con e-atomic-element e-div-block-base e-default-div e-4fa9fe-ce86 \" data-id=\"4f79afcb\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"4f79afcb\" data-e-type=\"e-div-block\" data-id=\"4f79afcb\">\n    \t\t\t<p class=\"e-4dcf5c70-2ec7 e-paragraph-base e-default-p\" data-interaction-id=\"330a7a35\" data-e-type=\"widget\" data-id=\"330a7a35\">Tairiscint f\u00e1ilte<\/p>\n\t\t\t\t\t<h2 data-interaction-id=\"56f1f7d5\" class=\"e-347faa43-4e20 e-heading-base e-default-h2\" data-e-type=\"widget\" data-id=\"56f1f7d5\">Triail saor in aisce 30 l\u00e1, imirce le taca\u00edocht<\/h2>\n\t\t\t\t\t<p class=\"e-7f6310da-1caa e-paragraph-base e-default-p\" data-interaction-id=\"2ce27288\" data-e-type=\"widget\" data-id=\"2ce27288\">Tairiscint trialach gan gealltanas. Glaofaidh comhairleoir ar ais ort chun do riachtanais a thuiscint agus do sp\u00e1s Klytic a ullmh\u00fa.<\/p>\n\t\t<div class=\"elementor-element elementor-element-35ea29a1 e-con e-atomic-element e-div-block-base e-default-div e-1cd48b22-e6da \" data-id=\"35ea29a1\" data-element_type=\"e-div-block\" data-e-type=\"e-div-block\" data-interaction-id=\"35ea29a1\" data-e-type=\"e-div-block\" data-id=\"35ea29a1\">\n    \t\t\t<a href=\"\/essai-gratuit\/\" target=\"_self\" class=\"e-4a7886e3-652d e-button-base e-default-a\" data-interaction-id=\"19bfa8f1\" data-e-type=\"widget\" data-id=\"19bfa8f1\">\n\t\ud83d\ude80 Tosaigh an triail saor in aisce\n<\/a>\n\t\t\t\t\t<a href=\"\/tarifs\/\" target=\"_self\" class=\"e-137e863d-dd0d e-button-base e-default-a\" data-interaction-id=\"326d82ab\" data-e-type=\"widget\" data-id=\"326d82ab\">\n\tF\u00e9ach na praghsanna\n<\/a>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"SPF, DKIM agus DMARC: cad a chosna\u00edonn siad? | Klytic","_seopress_titles_desc":"SPF, DKIM agus DMARC: a bhf\u00edora\u00edonn gach ceann, c\u00e9n f\u00e1th nach stopann DMARC fioscaireacht i gcoitinne, cur ar aghaidh, ARC, imscaradh c\u00e9imseach.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"SPF, DKIM agus DMARC: cad a chosna\u00edonn siad? | Klytic","_seopress_social_fb_desc":"SPF, DKIM agus DMARC: a bhf\u00edora\u00edonn gach ceann, c\u00e9n f\u00e1th nach stopann DMARC fioscaireacht i gcoitinne, cur ar aghaidh, ARC, imscaradh c\u00e9imseach.","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"SPF, DKIM agus DMARC: cad a chosna\u00edonn siad? | Klytic","_seopress_social_twitter_desc":"SPF, DKIM agus DMARC: a bhf\u00edora\u00edonn gach ceann, c\u00e9n f\u00e1th nach stopann DMARC fioscaireacht i gcoitinne, cur ar aghaidh, ARC, imscaradh c\u00e9imseach.","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-8082","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/pages\/8082","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/comments?post=8082"}],"version-history":[{"count":0,"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/pages\/8082\/revisions"}],"wp:attachment":[{"href":"https:\/\/eu.klytic.com\/ga\/wp-json\/wp\/v2\/media?parent=8082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}