![\"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067SMTP\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u81ea\u52d5\u5316\u3057\u3066\u307f\u305f\"](\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/03\/20250306_blog.png\")
<\/p>\n<\/p>\n
\u306f\u3058\u3081\u307e\u3057\u3066\u3002\u6628\u5e74\u306e8\u6708\u306bSendGrid\u30c1\u30fc\u30e0\u306b\u914d\u5c5e\u3055\u308c\u305f\u3001\u65b0\u4eba\u306e\u517c\u5b50\u3067\u3059\u3002IT\u3084\u30e1\u30fc\u30eb\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u305f\u3081\u3001\u73fe\u5728\u57fa\u790e\u304b\u3089\u52c9\u5f37\u4e2d\u3067\u3059\uff01<\/p>\n
\u30e1\u30fc\u30eb\u306b\u3064\u3044\u3066\u306f\u3001\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u5b66\u3076\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306bTwilio SendGrid\u304b\u3089SMTP\u3084\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u6a5f\u80fd<\/a>\u3067\u30e1\u30fc\u30eb\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u3055\u3089\u306b\u7406\u89e3\u3092\u6df1\u3081\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u4e2d\u3067\u3001\u6700\u8fd1\u5b66\u3093\u3060\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3046\u3068\u3001SMTP\u3067\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u52b9\u7387\u3088\u304f\u884c\u3048\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u4eca\u56de\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30e1\u30fc\u30eb\u3092\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3063\u3066\u9001\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff01<\/p>\n SendGrid\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3067\u306f\u3001telnet\u30b3\u30de\u30f3\u30c9\u3067SMTP\u30b5\u30fc\u30d0\u306b\u63a5\u7d9a\u3057\u3001SMTP\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u884c\u3046\u65b9\u6cd5\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001SMTP\u30b5\u30fc\u30d0\u3078\u306e\u63a5\u7d9a\u5f8c\u3001\u8a8d\u8a3c\u3092\u884c\u3044\u3001\u9001\u4fe1\u8005\u3084\u53d7\u4fe1\u8005\u3001\u30e1\u30fc\u30eb\u672c\u6587\u3092\u6307\u5b9a\u3059\u308b\u3068\u3044\u3046\u624b\u9806\u3092\u8e0f\u307f\u307e\u3059\u304c\u3001\u3053\u306e\u65b9\u6cd5\u3067\u306f\u30b3\u30de\u30f3\u30c9\u5165\u529b\u306e\u5ea6\u306b\u30b5\u30fc\u30d0\u304b\u3089\u306e\u5fdc\u7b54\u3092\u5f85\u3064\u5fc5\u8981\u304c\u3042\u308a\u3001\u5c11\u3057\u624b\u9593\u304c\u304b\u304b\u308b\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u3002<\/p>\n \u305d\u3053\u3067\u3001\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\uff08\u30b7\u30a7\u30eb\uff09\u3067\u5b9f\u884c\u3067\u304d\u308b\u4e00\u9023\u306e\u30b3\u30de\u30f3\u30c9\u3092\u307e\u3068\u3081\u305f\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5fc5\u8981\u306a\u30b3\u30de\u30f3\u30c9\u3092\u8a18\u8ff0\u3057\u5b9f\u884c\u3059\u308b\u3068\u3001\u66f8\u304b\u308c\u3066\u3044\u308b\u30b3\u30de\u30f3\u30c9\u304c\u4e0a\u304b\u3089\u9806\u756a\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e00\u9023\u306eSMTP\u30b3\u30de\u30f3\u30c9\u3092\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3057\u3066\u307e\u3068\u3081\u3066\u304a\u3051\u3070\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u30921\u56de\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u4e0a\u8ff0\u306eSMTP\u30b5\u30fc\u30d0\u3068\u306e\u3084\u308a\u3068\u308a\u3092\u81ea\u52d5\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6bce\u56de\u30b3\u30de\u30f3\u30c9\u3092\u624b\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081\u3001\u30df\u30b9\u3092\u3059\u308b\u53ef\u80fd\u6027\u304c\u6e1b\u308a\u3001\u307e\u305f\u3001\u4f5c\u6210\u3057\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n \u4eca\u56de\u306f\u3001Ubuntu 24.04 LTS\u74b0\u5883\u3092\u4f7f\u7528\u3057\u3066\u3001SendGrid\u304b\u3089\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u884c\u3046\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u304c\u305d\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002 \u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u3001\u300cnano\u300d\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u4e0a\u3067\u76f4\u63a5\u7de8\u96c6\u3067\u304d\u308b\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001send_email.sh<\/span>\u3068\u3044\u3046\u65b0\u3057\u3044\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n nano send_email.sh<\/span>\u30b3\u30de\u30f3\u30c9\u3067nano\u30a8\u30c7\u30a3\u30bf\u3092\u958b\u304d\u3001\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u30a8\u30c7\u30a3\u30bf\u5185\u306b\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u5909\u6570\u90e8\u5206\uff08$to\u3001$SENDGRID_API_KEY\u306e\u3088\u3046\u306b$\u304b\u3089\u59cb\u307e\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\uff09\u306f\u3001\u5b9f\u969b\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002 \u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002.\/<\/span>\u3092\u4f7f\u3063\u3066\u3001\u5b9f\u884c\u4e2d\u306e\u30b7\u30a7\u30eb\u74b0\u5883\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n \u6b63\u5e38\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u53d7\u3051\u4ed8\u3051\u3089\u308c\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5fdc\u7b54\u304c\u8fd4\u308a\u3001\u30e1\u30fc\u30eb\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n \u5b9b\u5148\u3068\u3057\u3066\u6307\u5b9a\u3057\u305f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b\u7121\u4e8b\u306b\u30e1\u30fc\u30eb\u304c\u5c4a\u304d\u307e\u3057\u305f\uff01<\/p>\n \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u3063\u3066\u3001SMTP\u3067\u306e\u30e1\u30fc\u30eb\u9001\u4fe1\u3092\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002 \u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u4f7f\u7528\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u610f\u5473\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002\u305c\u3072\u76ee\u3092\u901a\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n \u306f\u3058\u3081\u306b \u306f\u3058\u3081\u307e\u3057\u3066\u3002\u6628\u5e74\u306e8\u6708\u306bSendGrid\u30c1\u30fc\u30e0\u306b\u914d\u5c5e\u3055\u308c\u305f\u3001\u65b0\u4eba\u306e\u517c\u5b50\u3067\u3059\u3002IT\u3084\u30e1\u30fc\u30eb\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u305f\u3081\u3001\u73fe\u5728\u57fa\u790e\u304b\u3089\u52c9\u5f37\u4e2d\u3067\u3059\uff01 \u30e1\u30fc\u30eb\u306b\u3064\u3044\u3066\u306f\u3001\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u5b66\u3076\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b …\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":18839,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-18833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18833"}],"version-history":[{"count":9,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18833\/revisions"}],"predecessor-version":[{"id":18845,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/18833\/revisions\/18845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/media\/18839"}],"wp:attachment":[{"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sendgrid.kke.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}SMTP\u3067\u9001\u4fe1\u3059\u308b<\/h3>\n
\n\u306a\u304a\u3001SendGrid\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u969b\u306f\u3001API\u30ad\u30fc<\/a>\u304c\u5fc5\u8981\u306b\u306a\u308b\u305f\u3081\u3001\u5148\u306b\u4f5c\u6210\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\r\n#!\/bin\/bash\r\n\r\nhost=smtp.sendgrid.net\r\nport=587\r\nuser=YXBpa2V5\r\npassword=$(echo -n $SENDGRID_API_KEY | base64)\r\nto=to@example.com\r\nfrom=from@example.com\r\n\r\nfunction mail_input {\r\n echo "EHLO localhost"\r\n sleep 1\r\n echo "auth login"\r\n echo "$user"\r\n echo "$pass"\r\n echo "mail from: $from"\r\n echo "rcpt to: $to"\r\n echo "data"\r\n echo "To: $to"\r\n echo "From: $from"\r\n echo "Subject: Hello, Mail Server"\r\n echo "Content-Type: text\/plain; charset=utf-8;"\r\n echo ""\r\n echo "Hello!"\r\n echo "."\r\n echo "quit"\r\n}\r\n\r\n#send\r\nmail_input | nc $host $port\r\n<\/pre>\n\r\nnano send_email.sh\r\n<\/pre>\n
\n\u8cbc\u308a\u4ed8\u3051\u305f\u3089\u3001Ctrl + O<\/span>\u3092\u62bc\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3001Enter<\/span>\u3092\u62bc\u3057\u307e\u3059\u3002\u6700\u5f8c\u306bCtrl + X<\/span>\u3092\u62bc\u3057\u3066nano\u30a8\u30c7\u30a3\u30bf\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002
\n\u6b21\u306b\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u5b9f\u884c\u6a29\u9650\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\r\nchmod +x send_email.sh\r\n<\/pre>\n
\r\n.\/send_email.sh\r\n<\/pre>\n
\r\n220 SG ESMTP service ready at geopod-ismtpd-16\r\n250-smtp.sendgrid.net\r\n250-8BITMIME\r\n250-PIPELINING\r\n250-SIZE 31457280\r\n250-STARTTLS\r\n250-AUTH PLAIN LOGIN\r\n250 AUTH=PLAIN LOGIN\r\n334 VXNlcm5hbWU6\r\n334 UGFzc3dvcmQ6\r\n235 Authentication successful\r\n250 Sender address accepted\r\n250 Recipient address accepted\r\n354 Continue\r\n250 Ok: queued as KGAhPD8FSYqTsJ8K3SXNwA\r\n221 See you later\r\n<\/pre>\n
![\"\u30e1\u30fc\u30eb\u306e\u753b\u50cf\"](\"https:\/\/sendgrid.kke.co.jp\/blog\/wp\/wp-content\/uploads\/2025\/03\/057527b2c7de8d26fb4de325663c79ff.png\")
<\/p>\n\u307e\u3068\u3081<\/h3>\n
\n\u30b3\u30de\u30f3\u30c9\u306e\u610f\u5473\u3092\u5b66\u3076\u3053\u3068\u3067\u3001SMTP\u9001\u4fe1\u306e\u4ed5\u7d44\u307f\u304c\u3088\u308a\u660e\u78ba\u306b\u306a\u308a\u3001\u5b9f\u969b\u306e\u52d5\u4f5c\u3092\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\nSendGrid\u3067\u306f\u3001SMTP<\/a>\u306e\u4ed6\u306b\u3082Web API<\/a>\u3067\u306e\u9001\u4fe1\u3084\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u6a5f\u80fd<\/a>\u306b\u3088\u308b\u4e00\u6589\u9001\u4fe1\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u5f8c\u3082\u8272\u3005\u306a\u9001\u4fe1\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u3001\u3055\u3089\u306b\u30e1\u30fc\u30eb\u3078\u306e\u7406\u89e3\u3092\u6df1\u3081\u305f\u3044\u3067\u3059\u3002<\/p>\n\u88dc\u8db3<\/h3>\n
\n