{"id":48,"date":"2019-06-11T19:24:41","date_gmt":"2019-06-11T10:24:41","guid":{"rendered":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/?page_id=48"},"modified":"2026-10-09T11:43:00","modified_gmt":"2026-10-09T02:43:00","slug":"arrivalimprovement","status":"publish","type":"page","link":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/","title":{"rendered":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56"},"content":{"rendered":"\n<style>\n  .mt20 {\n    margin-top: 20px !important;\n  }\n  .btn1--noarrow::before,\n  .btn1--noarrow::after,\n  .btn1--noarrow a::before,\n  .btn1--noarrow a::after {\n    content: none !important;\n    display: none !important;\n    background: none !important;\n  }\n<\/style>\n<section>\n  <p class=\"ta-center\">\n    <font size=\"4\"><u>SPF<\/u> \u3068 <u>DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09<\/u>\u3068<u>DMARC<\/u>\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002<\/font>\n  <\/p>\n  <p>&nbsp;<\/p>\n<\/section>\n<section>\n  <div class=\"contents01\">\n    <h2 class=\"contents01-ttl\">\u554f\u984c\u70b9<\/h2>\n    <div class=\"contents01-inner box-2\">\n      <ul>\n        <li>\n          <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/error\/\">\n            <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/problem-spam.svg\" alt=\"\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\" width=\"110\" height=\"65\"><\/p>\n            <p class=\"title\">\u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066<\/p>\n          <\/a>\n        <\/li>\n        <li>\n          <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/spam\/\">\n            <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/problem-error.svg\" alt=\"\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u308b\u7406\u7531\" width=\"68\" height=\"56\"><\/p>\n            <p class=\"title\">\u8ff7\u60d1\u30e1\u30fc\u30eb\u3068<br>\u5224\u5b9a\u3055\u308c\u308b\u7406\u7531<\/p>\n          <\/a>\n        <\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"page01\">\n  <div class=\"contents01 contents1-pd\">\n    <h2 class=\"contents01-ttl\">\u89e3\u6c7a\u6cd5<\/h2>\n\n    <div class=\"contents01-inner-wrap\">\n      <h3 class=\"contents01-ttl2\">\u306a\u308a\u3059\u307e\u3057\u8aa4\u8a8d\u5bfe\u7b56\uff08\u3059\u3079\u3066\u5fc5\u9808\uff09<\/h3>\n      <div class=\"contents01-inner inner-border box-2\">\n        <p style=\"font-size: 18px;\"><strong>\u4ee5\u4e0b\u306e\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u8a2d\u5b9a\u30ac\u30a4\u30c9\u300d\u53ca\u3073<br>\u300c\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u8a2d\u5b9a\u30de\u30cb\u30e5\u30a2\u30eb\u300d\u3092\u3054\u78ba\u8a8d\u306e\u4e0a\u8a2d\u5b9a\u3092\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002<\/strong><\/p>\n        <p class=\"mt20\" style=\"font-size: 16px;\">\u25bc\u8cea\u554f\u306b\u56de\u7b54\u3059\u308b\u5f62\u5f0f\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u8a2d\u5b9a\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/p>\n<div class=\"btn1 btn1--noarrow\" style=\"text-align:left; width:fit-content;\"><a href=\"\/support-rakus\/mailmarketing\/spfdkimdmarc\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"white-space:nowrap; padding-left:40px; padding-right:40px; box-sizing:content-box;\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u8a2d\u5b9a\u30ac\u30a4\u30c9<\/a><\/div>\n        <p class=\"mt20\" style=\"font-size: 16px;\">\u25bc\u8a73\u7d30\u306a\u8a2d\u5b9a\u65b9\u6cd5\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308bpdf\u30de\u30cb\u30e5\u30a2\u30eb\u3067\u3059\u3002<\/p>\n<div class=\"btn1 btn1--noarrow\" style=\"text-align:left; width:fit-content;\"><a href=\"\/support-rakus\/mailmarketing\/pdf\/spfdkimdmarc.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"white-space:nowrap; padding-left:40px; padding-right:40px; box-sizing:content-box;\">\u306a\u308a\u3059\u307e\u3057\u30e1\u30fc\u30eb\u5bfe\u7b56\u8a2d\u5b9a\u30de\u30cb\u30e5\u30a2\u30eb<\/a><\/div>\n        <ul class=\"mt20\">\n          <li>\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/spfset\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-spf.svg\" alt=\"\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2460SPF\" width=\"107\" height=\"73\"><\/p>\n              <p class=\"title\">\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2460<br>SPF<\/p>\n            <\/a>\n          <\/li>\n          <li>\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/dkimset\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-dkim.svg\" alt=\"\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2461 DKIM\u7f72\u540d\" width=\"107\" height=\"73\"><\/p>\n              <p class=\"title\">\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2461<br> DKIM\u7f72\u540d<\/p>\n            <\/a>\n          <\/li>\n        <\/ul>\n        <ul>\n          <li class=\"mt20\">\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/dmarc-set\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-dmarc.svg\" alt=\"\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2462 DMARC\" width=\"107\" height=\"73\"><\/p>\n              <p class=\"title\">\u306a\u308a\u3059\u307e\u3057\u5bfe\u7b56\u2462<br> DMARC<\/p>\n            <\/a>\n          <\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n\n    <div class=\"contents01-inner-wrap\">\n      <h3 class=\"contents01-ttl2\">\u305d\u306e\u4ed6\u306e\u5bfe\u5fdc<\/h3>\n      <div class=\"contents01-inner inner-border box-2\">\n        <ul>\n          <li>\n            <a href=\"\/support-rakus\/mailmarketing\/faq\/spamblock\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/measure-spam.svg\" alt=\"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u4e00\u89a7\" width=\"70\" height=\"70\"><\/p>\n              <p class=\"title\">\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56\u4e00\u89a7<\/p>\n            <\/a>\n          <\/li>\n          <li>\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/listclean\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-cleaning.svg\" alt=\"\u30ea\u30b9\u30c8\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\" width=\"79\" height=\"70\"><\/p>\n              <p class=\"title\">\u30ea\u30b9\u30c8\u306e\u30af\u30ea\u30fc\u30cb\u30f3\u30b0<\/p>\n            <\/a>\n          <\/li>\n        <\/ul>\n        <ul>\n          <li class=\"mt20\">\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/settingreq\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-receive.svg\" alt=\"\u53d7\u4fe1\u6307\u5b9a\u306e\u8a2d\u5b9a\u4f9d\u983c\" width=\"123\" height=\"68\"><\/p>\n              <p class=\"title\">\u53d7\u4fe1\u6307\u5b9a\u306e\u8a2d\u5b9a\u4f9d\u983c<\/p>\n            <\/a>\n          <\/li>\n          <li class=\"mt20\">\n            <a href=\"\/support-rakus\/mailmarketing\/arrivalimprovement\/starttls\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/solution-starttls.svg\" alt=\" STARTTLS \u5bfe\u5fdc\" width=\"88\" height=\"68\"><\/p>\n              <p class=\"title\">STARTTLS \u5bfe\u5fdc<\/p>\n            <\/a>\n          <\/li>\n        <\/ul>\n        <ul>\n          <li class=\"mt20\">\n            <a href=\"\/support-rakus\/mailmarketing\/faq\/about-bimi\/\">\n              <p class=\"img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/support-rakus\/mailmarketing\/wp-content\/themes\/hmsupport\/asset\/img\/arrivalimprovement\/bimi-logo.svg\" alt=\"BIMI\u8a8d\u8a3c(\u9001\u4fe1\u5143\u30a2\u30a4\u30b3\u30f3)\" width=\"70\" height=\"70\"><\/p>\n              <p class=\"title\">BIMI\u8a8d\u8a3c<br>(\u9001\u4fe1\u5143\u30a2\u30a4\u30b3\u30f3)<\/p>\n            <\/a>\n          <\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"page01\">\n  <div class=\"link-box\">\n    <h2>\u3010FAQ\u3011\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2>\n    <div class=\"link-box-inner\">\n      <div class=\"link-list\">\n        <dl>\n          <dt>Q.\u300c\u914d\u4fe1\u5b8c\u4e86\u300d\u306a\u306e\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304b\u306a\u3044<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/delivery-completed-but-not-delivered\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/delivery-completed-but-not-delivered\/<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Q.\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u305f\u308a\u5c4a\u304b\u306a\u304b\u3063\u305f\u308a\u3059\u308b<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/receive-depends-on-the-situation\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/receive-depends-on-the-situation\/<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Q.\u8ff7\u60d1\u30e1\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u308b<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/spam-mail-folder-why\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/spam-mail-folder-why\/<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Q.SPF\u30fbDKIM\u7f72\u540d\u30fbDMARC\u306e\u8a2d\u5b9a\u304c\u53cd\u6620\u3055\u308c\u306a\u3044<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/dns-not-reflected\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/dns-not-reflected\/<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Q.\u53d7\u4fe1\u30e1\u30fc\u30eb\u306eFrom\u30a2\u30c9\u30ec\u30b9\u306e\u6a2a\u306b\u300c\uff5e\u7d4c\u7531\u300d\u3084\u300c\u6b63\u3057\u3044\u9001\u4fe1\u5143\u3067\u306a\u3044\u300d\u306a\u3069\u3068\u8868\u793a\u3055\u308c\u308b<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/via-information\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faq\/via-information\/<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Q.Gmail\u9001\u4fe1\u8005\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5909\u66f4\u95a2\u9023<\/dt>\n          <dd><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faqcat\/gmailguideline\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faqcat\/gmailguideline\/<\/a><\/dd>\n        <\/dl>\n        <div class=\"btn1 pos-cntr\"><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faqcat\/undeliver\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3082\u3063\u3068\u898b\u308b(\u4e0d\u9054\u30fb\u8ff7\u60d1\u30e1\u30fc\u30eb)<\/a><\/div>\n        <div class=\"btn1 pos-cntr\"><a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/faqcat\/error\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3082\u3063\u3068\u898b\u308b(\u30a8\u30e9\u30fc\u7ba1\u7406)<\/a><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"page01\">\n  <div class=\"link-box\">\n    <h2>\u5404\u793e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u30fb\u30ea\u30f3\u30af<\/h2>\n    <div class=\"link-box-inner\">\n      <div class=\"link-list\">\n        <dl>\n          <dt>Gmail \u4e00\u62ec\u9001\u4fe1\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/dt>\n          <dd><a href=\"https:\/\/support.google.com\/mail\/answer\/81126?hl=ja\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/support.google.com\/mail\/answer\/81126?hl=ja<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>iCloud\u30e1\u30fc\u30ebPostmaster\u60c5\u5831<\/dt>\n          <dd>\u30e1\u30fc\u30eb\u3092\u4e00\u62ec\u914d\u4fe1\u3059\u308b\u5834\u5408\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<br>\n            <a href=\"https:\/\/support.apple.com\/ja-jp\/HT204137\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/support.apple.com\/ja-jp\/HT204137<\/a>\n          <\/dd>\n        <\/dl>\n        <dl>\n          <dt>Yahoo!\u30e1\u30fc\u30eb\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/dt>\n          <dd><a href=\"https:\/\/mail.yahoo.co.jp\/info\/guidelines\/mail.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/mail.yahoo.co.jp\/info\/guidelines\/mail.html<\/a><\/dd>\n        <\/dl>\n        <dl>\n          <dt>Yahoo!\u30e1\u30fc\u30eb\u8ff7\u60d1\u30e1\u30fc\u30eb\u5bfe\u7b56<\/dt>\n          <dd><a href=\"https:\/\/mail.yahoo.co.jp\/info\/guidelines\/about.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/mail.yahoo.co.jp\/info\/guidelines\/about.html<\/a><\/dd>\n        <\/dl>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002 &nbsp; \u554f\u984c\u70b9 \u914d\u4fe1\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066 \u8ff7\u60d1\u30e1\u30fc\u30eb\u3068\u5224\u5b9a\u3055\u308c\u308b\u7406\u7531 \u89e3\u6c7a\u6cd5 \u306a\u308a\u3059\u307e\u3057\u8aa4\u8a8d\u5bfe\u7b56\uff08\u3059\u3079\u3066\u5fc5\u9808\uff09 \u4ee5\u4e0b\u306e\u300c\u306a [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"guide":[],"class_list":["post-48","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8 - \u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u30fb\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306e\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u3059\u3002\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\" \/>\n\t\t<meta property=\"og:description\" content=\"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-06-11T10:24:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-09T02:43:00+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\" \/>\n\t\t<meta name=\"twitter:description\" content=\"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/#listItem\",\"name\":\"\\u8ff7\\u60d1\\u30e1\\u30fc\\u30eb\\u5224\\u5b9a\\u30fb\\u914d\\u4fe1\\u30a8\\u30e9\\u30fc\\u5bfe\\u7b56\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/#listItem\",\"position\":2,\"name\":\"\\u8ff7\\u60d1\\u30e1\\u30fc\\u30eb\\u5224\\u5b9a\\u30fb\\u914d\\u4fe1\\u30a8\\u30e9\\u30fc\\u5bfe\\u7b56\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/#organization\",\"name\":\"\\u300c\\u697d\\u697d\\u30e1\\u30fc\\u30eb\\u30de\\u30fc\\u30b1\\u30c6\\u30a3\\u30f3\\u30b0\\u300d\\u30b5\\u30dd\\u30fc\\u30c8\\u30b5\\u30a4\\u30c8\",\"description\":\"\\u30e1\\u30fc\\u30eb\\u30de\\u30ac\\u30b8\\u30f3\\u914d\\u4fe1\\u30b5\\u30fc\\u30d3\\u30b9\\u30fb\\u30e1\\u30eb\\u30de\\u30ac\\u914d\\u4fe1\\u30b7\\u30b9\\u30c6\\u30e0\\u300c\\u697d\\u697d\\u30e1\\u30fc\\u30eb\\u30de\\u30fc\\u30b1\\u30c6\\u30a3\\u30f3\\u30b0\\u300d\\u306e\\u30b5\\u30dd\\u30fc\\u30c8\\u30b5\\u30a4\\u30c8\\u3067\\u3059\\u3002\",\"url\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/#webpage\",\"url\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/\",\"name\":\"\\u8ff7\\u60d1\\u30e1\\u30fc\\u30eb\\u5224\\u5b9a\\u30fb\\u914d\\u4fe1\\u30a8\\u30e9\\u30fc\\u5bfe\\u7b56 - \\u300c\\u697d\\u697d\\u30e1\\u30fc\\u30eb\\u30de\\u30fc\\u30b1\\u30c6\\u30a3\\u30f3\\u30b0\\u300d\\u30b5\\u30dd\\u30fc\\u30c8\\u30b5\\u30a4\\u30c8\",\"description\":\"SPF \\u3068 DKIM\\uff08\\u4f5c\\u6210\\u8005\\u7f72\\u540d\\uff09\\u3068DMARC\\u306f\\u4e00\\u6589\\u9001\\u4fe1\\u3067\\u30e1\\u30fc\\u30eb\\u3092\\u9001\\u308b\\u969b\\u306f\\u8a2d\\u5b9a\\u304c\\u5fc5\\u9808\\u3068\\u3055\\u308c\\u307e\\u3059\\u3002\",\"inLanguage\":\"ja\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/arrivalimprovement\\\/#breadcrumblist\"},\"datePublished\":\"2019-06-11T19:24:41+09:00\",\"dateModified\":\"2026-10-09T11:43:00+09:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/#website\",\"url\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/\",\"name\":\"\\u300c\\u697d\\u697d\\u30e1\\u30fc\\u30eb\\u30de\\u30fc\\u30b1\\u30c6\\u30a3\\u30f3\\u30b0\\u300d\\u30b5\\u30dd\\u30fc\\u30c8\\u30b5\\u30a4\\u30c8\",\"description\":\"\\u30e1\\u30fc\\u30eb\\u30de\\u30ac\\u30b8\\u30f3\\u914d\\u4fe1\\u30b5\\u30fc\\u30d3\\u30b9\\u30fb\\u30e1\\u30eb\\u30de\\u30ac\\u914d\\u4fe1\\u30b7\\u30b9\\u30c6\\u30e0\\u300c\\u697d\\u697d\\u30e1\\u30fc\\u30eb\\u30de\\u30fc\\u30b1\\u30c6\\u30a3\\u30f3\\u30b0\\u300d\\u306e\\u30b5\\u30dd\\u30fc\\u30c8\\u30b5\\u30a4\\u30c8\\u3067\\u3059\\u3002\",\"inLanguage\":\"ja\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.rakus.co.jp\\\/support-rakus\\\/mailmarketing\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","description":"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002","canonical_url":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing#listItem","position":1,"name":"Home","item":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing","nextItem":{"@type":"ListItem","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/#listItem","name":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56"}},{"@type":"ListItem","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/#listItem","position":2,"name":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56","previousItem":{"@type":"ListItem","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/#organization","name":"\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","description":"\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u30fb\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306e\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u3059\u3002","url":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/"},{"@type":"WebPage","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/#webpage","url":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/","name":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","description":"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002","inLanguage":"ja","isPartOf":{"@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/#website"},"breadcrumb":{"@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/#breadcrumblist"},"datePublished":"2019-06-11T19:24:41+09:00","dateModified":"2026-10-09T11:43:00+09:00"},{"@type":"WebSite","@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/#website","url":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/","name":"\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","description":"\u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u30fb\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306e\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u3059\u3002","inLanguage":"ja","publisher":{"@id":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/#organization"}}]},"og:locale":"ja_JP","og:site_name":"\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8 - \u30e1\u30fc\u30eb\u30de\u30ac\u30b8\u30f3\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u30fb\u30e1\u30eb\u30de\u30ac\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u306e\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\u3067\u3059\u3002","og:type":"article","og:title":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","og:description":"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002","og:url":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/","article:published_time":"2019-06-11T10:24:41+00:00","article:modified_time":"2026-10-09T02:43:00+00:00","twitter:card":"summary_large_image","twitter:title":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56 - \u300c\u697d\u697d\u30e1\u30fc\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u300d\u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8","twitter:description":"SPF \u3068 DKIM\uff08\u4f5c\u6210\u8005\u7f72\u540d\uff09\u3068DMARC\u306f\u4e00\u6589\u9001\u4fe1\u3067\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u8a2d\u5b9a\u304c\u5fc5\u9808\u3068\u3055\u308c\u307e\u3059\u3002"},"aioseo_meta_data":{"post_id":"48","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"WebPage","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-03-27 08:48:30","updated":"2026-10-14 08:04:36","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing"},{"label":"\u8ff7\u60d1\u30e1\u30fc\u30eb\u5224\u5b9a\u30fb\u914d\u4fe1\u30a8\u30e9\u30fc\u5bfe\u7b56","link":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/arrivalimprovement\/"}],"publishpress_future_action":{"enabled":false,"date":"2026-10-24 12:30:37","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"guide","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/pages\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":86,"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/pages\/48\/revisions"}],"predecessor-version":[{"id":28211,"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/pages\/48\/revisions\/28211"}],"wp:attachment":[{"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"guide","embeddable":true,"href":"https:\/\/www.rakus.co.jp\/support-rakus\/mailmarketing\/wp-json\/wp\/v2\/guide?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}