{"id":3640,"date":"2020-08-28T14:50:02","date_gmt":"2020-08-28T20:50:02","guid":{"rendered":"https:\/\/ugit.siua.ac.cr\/?p=3640"},"modified":"2020-09-03T16:43:34","modified_gmt":"2020-09-03T22:43:34","slug":"zimbra-parte-ii","status":"publish","type":"post","link":"https:\/\/sada.services\/?p=3640","title":{"rendered":"Zimbra 8.8. Parte III. (BEST &#8211; PRACTICES)"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>Guia. <a rel=\"noreferrer noopener\" href=\"https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC\" target=\"_blank\">https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC<\/a><\/li><li>A este punto vamos a probar nuestro servidor para esto vamos a ingregar a esta pagina <a rel=\"noreferrer noopener\" href=\"https:\/\/www.mail-tester.com\/\" target=\"_blank\">https:\/\/www.mail-tester.com\/<\/a> y vamos a enviar un correo desde nuestro zimbra (con asunto y contenido) a la direcci\u00f3n de correo que nos indica y vamos a verificar nuestro estado<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"823\" height=\"409\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_001.png\" alt=\"\" class=\"wp-image-3642\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_001.png 823w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_001-300x149.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_001-768x382.png 768w\" sizes=\"(max-width: 823px) 100vw, 823px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Ahora nos presenta los siguientes errores<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"564\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_002-1024x564.png\" alt=\"\" class=\"wp-image-3644\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_002-1024x564.png 1024w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_002-300x165.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_002-768x423.png 768w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_002.png 1141w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"944\" height=\"565\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_003.png\" alt=\"\" class=\"wp-image-3645\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_003.png 944w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_003-300x180.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_003-768x460.png 768w\" sizes=\"(max-width: 944px) 100vw, 944px\" \/><\/figure>\n\n\n\n<p>Guia. <a rel=\"noreferrer noopener\" href=\"https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC\" target=\"_blank\">https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"983\" height=\"528\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_005.png\" alt=\"\" class=\"wp-image-3647\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_005.png 983w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_005-300x161.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_005-768x413.png 768w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Errores presentados<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Error 2: No registro DMARC<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>MENSAJE:<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>No tienes un registro DMARC\nUna pol\u00edtica DMARC permite a un emisor para indicar que sus correos electr\u00f3nicos est\u00e1n protegidos por SPF y \/ o DKIM, y dar instrucciones si ninguno de esos m\u00e9todos de autenticaci\u00f3n pasa. Por favor aseg\u00farese de que tiene un conjunto de DKIM y SPF antes de utilizar DMARC.\n\nUsted no tiene un registro DMARC, hay que a\u00f1adir un TXT registro para el dominio _dmarc.siua.ac.cr con el siguiente valor:\n\nv=DMARC1; p=none\n\nmail-tester.com; dkim=pass (2048-bit key; unprotected) header.d=siua.ac.cr header.i=@siua.ac.cr header.b=olIeb602; dkim-atps=neutral\nmail-tester.com; dmarc=none header.from=siua.ac.cr\nmail-tester.com; dkim=pass (2048-bit key; unprotected) header.d=siua.ac.cr header.i=@siua.ac.cr header.b=olIeb602; dkim-atps=neutral\nFrom Domain: siua.ac.cr\nDKIM Domain: siua.ac.cr<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><\/li><li>Para corregir ingresamos a la pagina <a rel=\"noreferrer noopener\" href=\"https:\/\/www.kitterman.com\/dmarc\/assistant.html\" target=\"_blank\">https:\/\/www.kitterman.com\/dmarc\/assistant.html<\/a><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"564\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_059-1024x564.png\" alt=\"\" class=\"wp-image-3651\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_059-1024x564.png 1024w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_059-300x165.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_059-768x423.png 768w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_059.png 1485w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Generamos el registro<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"370\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_060-1024x370.png\" alt=\"\" class=\"wp-image-3652\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_060-1024x370.png 1024w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_060-300x109.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_060-768x278.png 768w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_060.png 1504w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Por tanto ingresamos este registro en el DNS publico<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>;---------------------------- DMARK PARA DOMINIO SIUA.AC.CR ---------------------------\n\n_dmarc                          14400   IN      TXT     (\"v=DMARC1; p=quarantine; rua=mailto:admin@siua.ac.cr; ruf=mailto:admin@siua.ac.cr; sp=quarantine\")\nsiua.ac.cr._report._dmarc       14400   IN      TXT     (\"v=DMARC1;\")\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Podemos revisar los archivos de configuraci\u00f3n de zonas <\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>named-checkzone siua.ac.cr \/etc\/bind\/db.siua.ac.cr\nnamed-checkzone 87.193.181.in-addr.arpa \/etc\/bind\/db.rev.87\nnamed-checkzone 227.15.186.in-addr.arpa \/etc\/bind\/db.rev.227<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Para probarlo <a href=\"https:\/\/dmarcian.com\/dmarc-inspector\/?domain=siua.ac.cr\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/dmarcian.com\/dmarc-inspector\/?domain=siua.ac.cr<\/a><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"493\" src=\"\/wp-content\/uploads\/2020\/08\/Seleccion_061-1024x493.png\" alt=\"\" class=\"wp-image-3668\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_061-1024x493.png 1024w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_061-300x144.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_061-768x369.png 768w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_061-1536x739.png 1536w, https:\/\/sada.services\/wp-content\/uploads\/2020\/08\/Seleccion_061.png 1709w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Error 3<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>La DNS inversa no coincide con el dominio que env\u00eda el correo.\nLa resoluci\u00f3n DNS inversa (rDNS) es la determinaci\u00f3n del nombre de dominio que est\u00e1 asociado con una determinada direcci\u00f3n IP.\nAlgunas compa\u00f1\u00edas como AOL rechazar\u00e1n cualquier correo enviado desde un servidor que no tenga rDNS, por lo que debes asegurarte de que tengas una.\nNo puedes asociar m\u00e1s de un nombre de dominio con una sola direcci\u00f3n IP.\n\nTu direcci\u00f3n IP 181.193.87.9 est\u00e1 asociada con el dominio 3(NXDOMAIN).\nSin embargo, tu correo parece haber sido enviado desde correo.siua.ac.cr.\n\nPuede que quieras cambiar tu entrada DNS puntero (tipo PTR) y el nombre de host de tu servidor al mismo valor.\n\nAqu\u00ed est\u00e1n los valores testeados para esta prueba:\n\nIP: 181.193.87.9\nHELO: correo.siua.ac.cr\nrDNS: 3(NXDOMAIN)<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>Para solventar este problema se debi\u00f3 contactar con el proveedor de servicio ISP ICE para que creara la resoluci\u00f3n inversa de nuestro servidor<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"789\" height=\"605\" src=\"\/wp-content\/uploads\/2020\/09\/Seleccion_070.png\" alt=\"\" class=\"wp-image-3816\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_070.png 789w, https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_070-300x230.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_070-768x589.png 768w\" sizes=\"(max-width: 789px) 100vw, 789px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"454\" src=\"\/wp-content\/uploads\/2020\/09\/Seleccion_071-1024x454.png\" alt=\"\" class=\"wp-image-3818\" srcset=\"https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_071-1024x454.png 1024w, https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_071-300x133.png 300w, https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_071-768x341.png 768w, https:\/\/sada.services\/wp-content\/uploads\/2020\/09\/Seleccion_071.png 1175w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Guia. https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC A este punto vamos a probar nuestro servidor para esto vamos a ingregar a esta pagina https:\/\/www.mail-tester.com\/ y vamos a enviar un correo desde nuestro zimbra (con asunto y contenido) a la direcci\u00f3n de correo que nos indica y vamos a verificar nuestro estado Ahora nos presenta los siguientes errores Guia. https:\/\/wiki.zimbra.com\/wiki\/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC Errores [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[236],"tags":[237],"class_list":["post-3640","post","type-post","status-publish","format-standard","hentry","category-zimbra","tag-zimbra-8"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/posts\/3640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sada.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3640"}],"version-history":[{"count":21,"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/posts\/3640\/revisions"}],"predecessor-version":[{"id":3819,"href":"https:\/\/sada.services\/index.php?rest_route=\/wp\/v2\/posts\/3640\/revisions\/3819"}],"wp:attachment":[{"href":"https:\/\/sada.services\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sada.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sada.services\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}