{"id":822,"date":"2026-06-24T11:08:29","date_gmt":"2026-06-24T02:08:29","guid":{"rendered":"https:\/\/www.mirai.ad.jp\/support\/?post_type=manual&#038;p=822"},"modified":"2026-07-14T12:17:33","modified_gmt":"2026-07-14T03:17:33","slug":"20004","status":"publish","type":"manual","link":"https:\/\/www.mirai.ad.jp\/support\/manual\/20004\/","title":{"rendered":"Thunderbird"},"content":{"rendered":"<div class=\"wae\">\n<section  class=\"wae-section wae-section-base-normal wae-margin-large\">\n  <div class=\"wae-section-base-width\">\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-list wae-list-normal wae-align-left wae-margin-small pagenav pagenav-3clm\"><ul>\n              <li><span class=\"wae-list-text\"><a href=\"#1\">\u8a2d\u5b9a\u306e\u6e96\u5099<\/a><\/span><\/li>\n              <li><span class=\"wae-list-text\"><a href=\"#2\">Thunderbird\u306e\u8a2d\u5b9a<\/a><\/span><\/li>\n              <li><span class=\"wae-list-text\"><a href=\"#3\">\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u7de8\u96c6<\/a><\/span><\/li>\n            <\/ul><\/div>\n        <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<section id=\"1\" class=\"wae-section wae-section-base-normal wae-margin-large\">\n  <div class=\"wae-section-base-width\">\n    <div   class=\"wae-section-title\"><h2>\u8a2d\u5b9a\u306e\u6e96\u5099<\/h2><\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left is-important\"><h3>\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u8a2d\u5b9a\u3092\u300c\u306f\u3058\u3081\u308b\u524d\u306b\u300d\u3054\u6e96\u5099\u304f\u3060\u3055\u3044\u3002<\/h3><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-xsmall\">\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u8a2d\u5b9a\u306b\u306f\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u60c5\u5831\u304c\u5fc5\u8981\u3067\u3059\u3002\u3042\u3089\u304b\u3058\u3081\u3054\u7528\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n            <div class=\"wae-list wae-list-normal wae-align-left wae-margin-small\"><ul>\n              <li><span class=\"wae-list-text\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/span><\/li>\n              <li><span class=\"wae-list-text\">\u30d1\u30b9\u30ef\u30fc\u30c9<\/span><\/li>\n              <li><span class=\"wae-list-text\">\u9001\u53d7\u4fe1\u30b5\u30fc\u30d0\u540d<\/span><\/li>\n            <\/ul><\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3>\u8a2d\u5b9a\u3059\u308b\u60c5\u5831\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408<\/h3><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">MRS-NX \u7ba1\u7406\u753b\u9762\u5185\uff1a<span class=\"wae-deco-marker\">\u30e1\u30fc\u30eb\u8a2d\u5b9a\u30e1\u30cb\u30e5\u30fc<\/span>\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n<\/p>\n            <div class=\"wae-head wae-head-h4 wae-align-left\"><h4><i class=\"numIcon\">1<\/i>\u7ba1\u7406\u753b\u9762\u5185\uff3b\u30e1\u30fc\u30eb\u8a2d\u5b9a\uff3d\u3092\u958b\u304f<\/h4><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\"> \u8a72\u5f53\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306e[\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9]\u306e\u5217\u3001\u30e1\u30fc\u30eb\u306e\u4ef6\u6570\u306e\u53f3\u5074\uff3b\u2026\uff3d\u30de\u30fc\u30af\u3067\u8a73\u7d30\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/mailsettei1-2-scaled.png\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/mailsettei1-2-scaled.png\" alt=\"\u30e1\u30fc\u30eb\u30c9\u30e1\u30a4\u30f3\u4e00\u89a7\u2460\"><\/a><\/p>\n            <div class=\"wae-head wae-head-h4 wae-align-left\"><h4><i class=\"numIcon\">2<\/i>\uff3b\uff56\uff3d\u30de\u30fc\u30af\u3067\u8a73\u7d30\u3092\u8868\u793a<\/h4><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u30e1\u30fc\u30eb\u8a2d\u5b9a\u306b\u5fc5\u8981\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u9001\u4fe1\u30b5\u30fc\u30d0\u30fb\u53d7\u4fe1\u30b5\u30fc\u30d0\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/mailsettei2-2-scaled.png\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/mailsettei2-2-scaled.png\" alt=\"\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u4e00\u89a7\u2461\"><\/a><\/p>\n        <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<section id=\"2\" class=\"wae-section wae-section-base-normal wae-margin-large\">\n  <div class=\"wae-section-base-width\">\n    <div   class=\"wae-section-title\"><h2>Thunderbird\u306e\u8a2d\u5b9a<\/h2><\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-paragraph wae-align-left wae-margin-xsmall\">\u65e2\u306b\u8a2d\u5b9a\u6e08\u307f\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\uff0f\u5909\u66f4\u3055\u308c\u308b\u65b9\u306f\u300c\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u7de8\u96c6\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">1<\/i>Thunderbird\u3092\u8d77\u52d5<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/1-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/1-1.jpg\" alt=\"Thunderbird\u3092\u8d77\u52d5\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">2<\/i>\u300c\u30e1\u30fc\u30eb\u300d\u3092\u30af\u30ea\u30c3\u30af<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-1.jpg\" alt=\"\u5225\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">3<\/i>\u65e2\u5b58\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-2.jpg\" alt=\"\u65e2\u5b58\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u5404\u9805\u76ee\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u3042\u306a\u305f\u306e\u304a\u540d\u524d<\/th>\n        <td>\n          \u4efb\u610f\u306e\u540d\u524d\u3092\u5165\u529b<br>\n          \u203b\u304a\u5ba2\u69d8\u306e\u304a\u540d\u524d\u3084\u30cb\u30c3\u30af\u30cd\u30fc\u30e0\u306a\u3069\n        <\/td>\n      <\/tr>\n      <tr>\n        <th>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/th>\n        <td>\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n      <\/tr>\n      <tr>\n        <th>\u30d1\u30b9\u30ef\u30fc\u30c9<\/th>\n        <td>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u5165\u529b\u5f8c\u3001\u300c\u624b\u52d5\u8a2d\u5b9a\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">4<\/i>\u624b\u52d5\u8a2d\u5b9a\u753b\u9762\u304c\u8868\u793a<\/h3><\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h4 wae-align-left\"><h4><i class=\"numIcon\">1<\/i>\u5404\u9805\u76ee\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u5165\u529b<\/h4><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-3.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-3.jpg\" alt=\"\u624b\u52d5\u8a2d\u5b9a\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u53d7\u4fe1\u30b5\u30fc\u30d0<\/th>\n        <td>\n          <ul>\n            <li>\u30d7\u30ed\u30c8\u30b3\u30eb\uff1a\u300cPOP3\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30db\u30b9\u30c8\u540d\uff1a\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/li>\n            <li>\u30dd\u30fc\u30c8\u756a\u53f7\uff1a110<\/li>\n            <li>\u63a5\u7d9a\u306e\u4fdd\u8b77\uff1a\u300c\u306a\u3057\u300d\u3092\u9078\u629e<\/li>\n            <li>\u8a8d\u8a3c\u65b9\u5f0f\uff1a\u300c\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30e6\u30fc\u30b6\u540d\uff1a\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/li>\n          <\/ul>\n        <\/td>\n      <\/tr>\n      <tr>\n        <th>\u9001\u4fe1\u30b5\u30fc\u30d0<\/th>\n        <td>\n          <ul>\n            <li>\u30db\u30b9\u30c8\u540d\uff1a\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/li>\n            <li>\u30dd\u30fc\u30c8\u756a\u53f7\uff1a587<\/li>\n            <li>\u63a5\u7d9a\u306e\u4fdd\u8b77\uff1a\u300c\u306a\u3057\u300d\u3092\u9078\u629e<\/li>\n            <li>\u8a8d\u8a3c\u65b9\u5f0f\uff1a\u300c\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30e6\u30fc\u30b6\u540d\uff1a\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/li>\n          <\/ul>\n        <\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u5165\u529b\u5f8c\u3001\u300c\u5b8c\u4e86\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h4 wae-align-left\"><h4><i class=\"numIcon\">2<\/i>POP3S\u30fbSMTPS\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u8a2d\u5b9a<\/h4><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-4.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-4.jpg\" alt=\"\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u53d7\u4fe1\u30b5\u30fc\u30d0<\/th>\n        <td>\n          <ul>\n            <li>\u30d7\u30ed\u30c8\u30b3\u30eb\uff1a\u300cPOP3\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30db\u30b9\u30c8\u540d\uff1a\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/li>\n            <li>\u30dd\u30fc\u30c8\u756a\u53f7\uff1a995<\/li>\n            <li>\u63a5\u7d9a\u306e\u4fdd\u8b77\uff1a\u300cSSL\/TLS\u300d\u3092\u9078\u629e<\/li>\n            <li>\u8a8d\u8a3c\u65b9\u5f0f\uff1a\u300c\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30e6\u30fc\u30b6\u540d\uff1a\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/li>\n          <\/ul>\n        <\/td>\n      <\/tr>\n      <tr>\n        <th>\u9001\u4fe1\u30b5\u30fc\u30d0<\/th>\n        <td>\n          <ul>\n            <li>\u30db\u30b9\u30c8\u540d\uff1a\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/li>\n            <li>\u30dd\u30fc\u30c8\u756a\u53f7\uff1a465<\/li>\n            <li>\u63a5\u7d9a\u306e\u4fdd\u8b77\uff1a\u300cSSL\/TLS\u300d\u3092\u9078\u629e<\/li>\n            <li>\u8a8d\u8a3c\u65b9\u5f0f\uff1a\u300c\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u300d\u3092\u9078\u629e<\/li>\n            <li>\u30e6\u30fc\u30b6\u540d\uff1a\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/li>\n          <\/ul>\n        <\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u5165\u529b\u5f8c\u3001\u300c\u5b8c\u4e86\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">5<\/i>\u8b66\u544a\u753b\u9762\u304c\u8868\u793a<\/h3><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u300c\u63a5\u7d9a\u3059\u308b\u4e0a\u3067\u306e\u5371\u967a\u6027\u3092\u7406\u89e3\u3057\u307e\u3057\u305f\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u300c\u78ba\u8a8d\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n<\/p>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-5.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-5.jpg\" alt=\"\u8b66\u544a\uff01\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">6<\/i>\u8a2d\u5b9a\u5b8c\u4e86<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-6.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th1-6.jpg\" alt=\"\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4f5c\u6210\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\"><\/a><\/p>\n        <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<section id=\"3\" class=\"wae-section wae-section-base-normal wae-margin-large\">\n  <div class=\"wae-section-base-width\">\n    <div   class=\"wae-section-title\"><h2>\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u7de8\u96c6<\/h2><\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">1<\/i>Thunderbird\u3092\u8d77\u52d5\u3057\u3001\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\u300d\u3092\u958b\u304f<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-1.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-1.jpg\" alt=\"\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">2<\/i>\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\u300d\u753b\u9762\u304c\u8868\u793a<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-2.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-2.jpg\" alt=\"\u898f\u5b9a\u306e\u5dee\u51fa\u4eba\u60c5\u5831\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-paragraph wae-align-left wae-margin-xsmall\">\u4ee5\u4e0b\u9805\u76ee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u540d\u524d(Y)<\/th>\n        <td>\n          \u4efb\u610f\u306e\u540d\u524d\u3092\u5165\u529b<br>\n          \u203b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u305f\u3068\u304d\u306b\u3001\u76f8\u624b\u306e\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u300c\u5dee\u51fa\u4eba\u300d\u6b04\u306b\u8868\u793a\u3055\u308c\u308b\u540d\u524d\u3067\u3059\n        <\/td>\n      <\/tr>\n      <tr>\n        <th>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9(E)<\/th>\n        <td>\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">3<\/i>\u753b\u9762\u5de6\u5074\u306b\u3042\u308b\u30e1\u30cb\u30e5\u30fc\u3088\u308a\u300c\u30b5\u30fc\u30d0\u8a2d\u5b9a\u300d\u3092\u9078\u629e<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-3.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-3.jpg\" alt=\"\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h4 wae-align-left\"><h4>\u30b5\u30fc\u30d0\u60c5\u5831<\/h4><\/div>\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u30b5\u30fc\u30d0\u30fc\u540d(S)<\/th>\n        <td>\u53d7\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/td>\n      <\/tr>\n      <tr>\n        <th>\u30e6\u30fc\u30b6\u540d(N)<\/th>\n        <td>\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n      <\/tr>\n      <tr>\n        <th>\u30dd\u30fc\u30c8(P)<\/th>\n        <td>110\uff08POP3S\u306e\u5834\u5408\u306f995\u3092\u5165\u529b\uff09<\/td>\n      <\/tr>\n      <tr>\n        <th>\u9001\u4fe1\u63a5\u7d9a\u306e\u4fdd\u8b77(U)<\/th>\n        <td>\u300c\u306a\u3057\u300d\uff08POP3S\u306e\u5834\u5408\u306f\u300cSSL\/TLS\u300d\u3092\u9078\u629e\uff09<\/td>\n      <\/tr>\n      <tr>\n        <th>\u8a8d\u8a3c\u65b9\u5f0f(I)<\/th>\n        <td>\u300c\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u300d\u3092\u9078\u629e<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">4<\/i>\u753b\u9762\u5de6\u5074\u306b\u3042\u308b\u30e1\u30cb\u30e5\u30fc\u3088\u308a\u300c\u9001\u4fe1\uff08SMTP\uff09\u30b5\u30fc\u30d0\u300d\u3092\u9078\u629e<\/h3><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u5229\u7528\u3055\u308c\u308b\u9001\u4fe1\u30b5\u30fc\u30d0\u3092\u9078\u629e\u3057\u300c\u7de8\u96c6\uff08E\uff09\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-4.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-4.jpg\" alt=\"\u9001\u4fe1(SMTP)\u30b5\u30fc\u30d0\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">5<\/i>\u300c\u9001\u4fe1\uff08SMTP\uff09\u30b5\u30fc\u30d0\u300d\u753b\u9762\u304c\u8868\u793a<\/h3><\/div>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-5.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-5.jpg\" alt=\"\u8a2d\u5b9a \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u8a8d\u8a3c\"><\/a><\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column1 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-paragraph wae-align-left wae-margin-xsmall\">\u5404\u60c5\u5831\u304c\u4ee5\u4e0b\u306e\u69d8\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n            <div class=\"wae-align-left wae-margin-small\"><div class=\"scroll_x\">\n  <table class=\"table\">\n    <thead>\n      <tr>\n        <th abbr=\"\u9805\u76ee\">\u9805\u76ee<\/th>\n        <th abbr=\"\u5185\u5bb9\">\u5185\u5bb9<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <th>\u30b5\u30fc\u30d0\u540d(S)<\/th>\n        <td>\u9001\u4fe1\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u540d\u3092\u5165\u529b<\/td>\n      <\/tr>\n      <tr>\n        <th>\u30dd\u30fc\u30c8\u756a\u53f7(P)<\/th>\n        <td>587\uff08SMTPS\u306e\u5834\u5408\u306f465\uff09<\/td>\n      <\/tr>\n      <tr>\n        <th>\u63a5\u7d9a\u306e\u4fdd\u8b77(N)<\/th>\n        <td>\u306a\u3057\uff08SMTPS\u306e\u5834\u5408\u306fSSL\/TLS\uff09<\/td>\n      <\/tr>\n      <tr>\n        <th>\u8a8d\u8a3c\u65b9\u5f0f(I)<\/th>\n        <td>\u901a\u5e38\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c<\/td>\n      <\/tr>\n      <tr>\n        <th>\u30e6\u30fc\u30b6\u540d(M)<\/th>\n        <td>\u304a\u5ba2\u69d8\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u8a2d\u5b9a\u5f8c\u3001\u300cOK\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n        <\/div>\n    <\/div>\n    <div class=\"wae-section-column wae-section-column2 wae-section-column-normal wae-margin-moderate\">\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <div class=\"wae-head wae-head-h3 wae-align-left\"><h3><i class=\"numIcon\">6<\/i>\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\u300d\u753b\u9762\u306b\u623b\u308b<\/h3><\/div>\n            <p class=\"wae-paragraph wae-align-left wae-margin-small\">\u300c\u00d7\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0a\u3067\u30e1\u30fc\u30eb\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u7de8\u96c6\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n        <\/div>\n        <div class=\"wae-section-block wae-section-block-normal\">\n            <p class=\"wae-img wae-align-center wae-margin-small\"><a class=\"scale wae_luminous\" href=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-6.jpg\"><img decoding=\"async\" src=\"https:\/\/www.mirai.ad.jp\/support\/wordpress\/wp-content\/uploads\/2026\/06\/th2-6.jpg\" alt=\"\u300c\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\u300d\u753b\u9762\u306b\u623b\u308a\u307e\u3059\"><\/a><\/p>\n        <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n<\/div>\n","protected":false},"author":1,"template":"","service_manuals_cat":[100],"theme_cat":[24,127],"class_list":["post-822","manual","type-manual","status-publish","hentry","service_manuals_cat-shared-application","theme_cat-mail_setting","theme_cat-windows"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Thunderbird - \u30df\u30e9\u30a4\u30cd\u30c3\u30c8 | \u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mirai.ad.jp\/support\/manual\/20004\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thunderbird - \u30df\u30e9\u30a4\u30cd\u30c3\u30c8 | \u30b5\u30dd\u30fc\u30c8\u30b5\u30a4\u30c8\" \/>\n<meta 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