説明
WordPress Mail SMTP Plugin
Having problems with your WordPress site not sending emails? You’re not alone. Over 3 million websites use WP Mail SMTP to send their emails reliably.
私たちのゴールは、メールの到達性を簡単かつ信頼できるものにすることにあります。電子メールが受信ボックスに確実に届くようにすることを目指しています。
WP Mail SMTP を使うと、 WordPress の設定を調整して、メールの送信時にその到達に適した SMTP 機能を利用するようにできます。
一番良いことには、使い勝手の良いセットアップウィザード (対話誘導型の設定画面) と、詳しい参考文献により作業進行を通して案内してくれることです。
WP Mail SMTP is free and has everything you need to reliably send your WordPress emails!
WP Mail SMTP Pro unlocks even more powerful features like email logging, advanced email reporting and stats, backup connections, email alerts, smart conditional routing, and much more.
SMTP とは何ですか ?
SMTP (Simple Mail Transfer Protocol) はメール送信の業界標準仕様の1つです。 適切な SMTP 設定は認証を通してメール到達を増やす助けになります。
定番のメールクライアントの Gmail、Yahoo、Office 365、Zoho などは常にメールスパムと戦っています。こういったものが見ている点の1つに、本来の送信元として認めているものとメールの送信元が一致しているかどうかがあります。
適切な認証がない場合、メールはスパムフォルダーに行くか、最悪の場合は全く到達しません。
これは多くの初期状態の WordPress サイトにとっての問題のひとつです。WordPress では、 WPForms など他の問い合わせフォームプラグインや WordPress 本体からのメールを PHP 標準の mail 関数を使用して送信します。
問題は大半の WordPress ホスティング会社が PHP メールを適切に送信するサーバー設定がされていないことです。
2つ組み合わさると WordPress メールが配送されないようになってしまいます。
どのように WP Mail SMTP は機能するのですか ?
WP Mail SMTP プラグインは、簡単にメールの配信の問題を解決するもので、WordPress サイトのメールの送信方法を変更・強化することによって実現します。wp_mail()
関数の働きを、適切な SMTP ホストとクレデンシァル (認証情報) を用いるか、組み込みの SMTP 外部メールサービスと連携するように設定を可能にします。
SMTP メールの組み込みの外部配信機構との連携 (推奨の方法) をどれか使用する場合、メールは直接 API の機構を用いて送信されます。このことは、仮にお使いのウェブホストが SMTP ポートをブロックしていても、メールが正常に届くことを意味します。
これにより、あなたのあらゆる WordPress がメール送信に失敗する問題 を解決します。
WP Mail SMTP プラグインは、複数の異なる SMTP 設定の選択肢を備えています:
- SendLayer (#1 Recommended)
- SMTP.com (おすすめ)
- Sendinblue SMTP (おすすめ)
- Mailgun SMTP
- SendGrid SMTP
- Postmark SMTP
- SparkPost SMTP
- Gmail SMTP (Gmail, Google Workspace, G Suite)
- Microsoft SMTP (Outlook.com および Office 365) [Pro]
- Amazon SES SMTP [Pro]
- Zoho Mail SMTP [Pro]
- すべての他の SMTP
ほとんどの選択肢で、「From名」と「メールアドレス」を送出するメールに対して指定することができます。
ユーザーに異なる SMTP プラグインとワークフローを SMTP 機構ごとに個別にもたらすより、すべて一括で設定する仕様としています。このことが WP Mail SMTP を WordPress 用の最高の SMTP ソリューションたらしめています。
SendLayer
SendLayer is our #1 recommended transactional email service.
Its affordable pricing and simple setup make it the perfect choice for sending emails from WordPress. It also has open and click tracking, email logs, and email list management.
SendLayer is the best choice if you want a mailer that’s reliable, fast, and easy to set up. You can send hundreds of emails for free when you sign up for a trial.
Read our SendLayer documentation for more details.
SMTP.COM
SMTP.com は、おすすめトランザクション型の電子メールサービスの1つです。
22年を超えるメール配信で熟練し、SMTP.com はメールそれ自体と同じくらい長い実績があります。この事業者はインターネットプロバイダーの間で、インターネット最大の信頼をもつ配信業者の1つとして認知されています。
簡単な連携プロセスで、数分でメール配信を開始して長年の経験からなる利点を得ることができます。SMTP.com は50,000の無料メールを最初の30日間で提供しています。
詳しくは SMTP.com ドキュメンテーションを読んでください。
Sendinblue SMTP
Sendinblue は、おすすめトランザクション型の電子メールサービスの1つです。
この事業者は80,000以上の世界中の成長企業を支え、1日に30,000,000件以上を送信しています。
在籍する電子メール配送エキスパートは日夜 SMTP インフラの速度と安定性を最適化するために働いています。Sendinblue は 1日に300の無料メール枠を提供しています。
詳しくは Sendinblue ドキュメンテーション を読んでください。
Mailgun SMTP
Mailgun SMTP は SMTP サービスの提供元として人気で、膨大な量のメール配信を可能にしてくれます。この事業者は 3ヶ月間のあいだ月ごとに5000通の無料メール配信枠を提供しています。
WP Mail SMTP プラグインは MailGun との機能連携を直接的に含みます。やることがあるとすれば Mailgun アカウントと接続することのみで、メールの配送効率を向上させられます。
詳しくは Mailgun ドキュメンテーションを読んでください。
SendGrid SMTP
SendGrid には無料の SMTP プランがあり、1日につき100通までのメールを送信できます。
SendGrid SMTP 機能連携を使えば、SendGrid の SMTP を WordPress サイト上で安全で簡単に設定できます。
詳しくは SendGrid ドキュメンテーションを読んでください。
Postmark SMTP
Send emails securely using your Postmark account with our API integration. You can sign up for a free trial without a credit card, which allows you to send up to 100 emails per month.
Read our Postmark documentation for more details.
SparkPost SMTP
SparkPost is a transactional email provider that’s trusted by big brands and small businesses. It sends more than 4 trillion emails each year and reports 99.9% uptime. You can get started with the free test account that lets you send up to 500 emails per month.
Read our SparkPost documentation for more details.
Gmail SMTP (Gmail, Google Workspace, G Suite)
Often bloggers and small business owners don’t want to use third-party SMTP services. Well you can use your Gmail or Google Workspace (also known as G Suite/Google Apps) account for SMTP emails.
この機能で Google プロ メールアドレスが使えるようになり、メールの配送効率を高めることができます。
他の Gmail SMTP プラグインと違い、私たちの Gmail SMTP 設定は OAuth で Google アカウントと認証を取ります。このためあなたのログイン情報は100%安全です。
詳しくは Gmail ドキュメンテーションを読んでください。
Microsoft SMTP (Outlook.com および Office 365)
多くのビジネスでは Outlook.com や Microsoft 365 のメールを活用しています。当プラグインの Microsoft メーラー統合機能はお持ちの Outlook.com や Microsoft 365 アカウントを使用することを可能にし、WordPressからのメールの送信をより届きやすくします。
詳しくは Outlook・Microsoft 365 ドキュメンテーションを読んでください。
Amazon SES SMTP
上級者や技術者ユーザーには Amazon AWS (Amazon Web Services) の Amazon SES メーラーをつなぎこむ機能もあります。この機能連携を使うと、多量のメールをとても効率的に配信することができます。
詳しくは Amazon SES ドキュメンテーション を読んでください。
Zoho Mail SMTP
お持ちの personal または business の Zoho Mail アカウントを用いてメール送信します。ログイン用の認証情報は安全に保たれるようになっています。
詳しくは Zoho Mail ドキュメンテーションを読んでください。
その他の SMTP
WP Mail SMTP プラグインは Gmail、Yahoo、Outlook、Microsoft Live などの主要なものや、SMTP の使えるほかのどんなサービスとでも機能します。
次のオプション設定を使用できます:
- SMTP ホストを指定。
- SMTP ポートを指定。
- SSL / TLS 暗号化を選択。
- SMTP 認証を使用するかどうかを選択。
- SMTP ユーザー名とパスワードを指定。
定番のサービスでのトラブル対策として推奨される設定については、SMTP ドキュメンテーションを確認してください。
One-Click Migration
Want to switch from your old SMTP plugin to WP Mail SMTP? We made it easy for you to migrate your SMTP settings in one click!
WP Mail SMTP will automatically detect your existing SMTP plugin (Easy WP SMTP, FluentSMTP, etc) when you run our easy Setup Wizard. Just click Import to copy your settings over.
Our one-click migration tool supports all of these plugins:
- Easy WP SMTP
- FluentSMTP
- Post SMTP Mailer
- SMTP Mailer
- WP SMTP
WP Mail SMTP PRO
ネイティヴの Microsoft、Amazon SES、Zoho Mail 機能連携に加えて、 WP Mail SMTP Pro なら他にも多くの機能やサービスの使用権を得ることができます。
WP Mail SMTP Pro を購入するにはここをクリㇰク !
メールログ
「メールロギング」は、ご利用のサイトから送信されるすべてのメールのログを見ることを可能にします。メールログは記録を残し、サイトの開発中のデバッグや、送出されるメールの監査などに役立ちます。
ですがそれは入り口に過ぎません。当機能 WordPress メールログで解放される追加ツールではメールのエンゲージメントの測定やメールの到達度の向上が可能です :
Email Log Details
Each Email Log entry includes a lot of useful information about the email, including the subject, sender, recipients (TO, CC and BCC), email content, email headers, open&click tracking stats, delivery status, which WordPress plugin sent the email, and more!
Resend Emails
You resend any email or forward it to one or more email addresses, right from your email log. From the overview page, you can also resend multiple emails in bulk. This is an awesome way to resend emails that failed or forward important emails to an alternative email address.
Store Email Attachments
WP Mail SMTP は WordPress サイトから送信されたメールの添付を全て保存できるようにします。これにより添付ファイルを手元のローカル環境でアーカイヴしたり中身を吟味しやすくします。
Export Email Logs
Easily export your WordPress email logs to CSV, EML, or Excel. You can filter the email logs before you export and only download the data you need. This feature lets you easily create your own deliverability reports. You can also use the data in 3rd party dashboards to track deliverability along with your other website statistics.
Print Emails
Once you’ve activated email logging, any individual log file can be printed in an easy-to-read format. If you want to archive an email log digitally, it’s easy to export it to a PDF document too.
メールレポート
Email reports make it easy to track deliverability and engagement at-a-glance. Your open and click-through rates are grouped by subject line, making it easy to review the performance of campaigns or notifications. The report also displays Sent and Failed emails each week so you can spot any issues quickly. You’ll also see an email report chart right in your WordPress dashboard.
Weekly Email Summary
Get statistics about WordPress emails sent directly into your inbox. Our weekly emails reveal how many emails are being sent from your WordPress site, and which ones are getting opens and clicks. The Summary also shows you deliverability statistics at-a-glance so you can spot any issues without logging into WordPress.
Track Email Opens and Clicks
Wondering if your important emails were actually opened, or if any links in the email were clicked? Our email log allows you view open and click tracking stats for your WordPress emails and our Email Reports feature groups these stats by subject, so you can analyze their performance.
Email Alerts
Get instantly notified about failed emails! If your site’s mailer or SMTP service stops sending your emails, you’ll immediately receive a notification. Choose from several helpful alert methods, including:
- Email Notifications
- Slack Notifications
- SMS/Twilio Notifications
- Webhook Notifications
In combination with Email Logging and Email Resend, Email Alerts let you ensure that no important email will ever be lost.
Backup Connection
WP Mail SMTP Pro allows you to configure multiple mailer providers. The main configuration will be your Primary Connection, and you can set another as your Backup Connection.
If an email fails to send via your Primary Connection, WP Mail SMTP will automatically route it through your Backup Connection and try to send it again. This means fewer missed emails, even when something goes wrong.
Smart Conditional Routing
Smart Routing enables you to send emails through different mailer providers based on custom criteria. Easily configure your Smart Routing conditions using dozens of pre-determined options, including the contents of the email Subject or Message, From or To addresses, or which plugin initiated the email, just to name a few.
Using Smart Routing lets you choose the best mailer for each type of email you send. Select a transactional mailer to send out your eCommerce order confirmations, another mailer for your newsletter and marketing emails, and more!
Selecting the best mailer for each type of email you need to send will improve your overall deliverability and make sure your emails arrive in users’ inboxes.
WordPress メールと通知の管理
「通知管理」機能は、 WordPress が送るメール通知のどれを通すかをすべて制御できるようにします。これは別個の WordPress 通知メールを無効化することが可能であることを意味します。新規ユーザーが作成されたとき都度メールを受け取りたいですか ? これも問題無くオフにできます。
WordPress Multisite
WordPress マルチサイト ネットワーク設定
マルチサイトを稼働させているユーザー向けに、一箇所に集約されたネットワーク設定を提供しており、すべてのサイトに対し簡単に SMTP 設定をして時間を節約できます。
Manage Multisite Email Logs Easily
WP Mail SMTP makes it easy for Network Admins to view and manage email logs for subsites. You can access all of your deliverability information from the Network Admin dashboard and quickly switch between subsites. That makes it easy to review email logging data for all subsites on one centralized page.
専門家によるサポート
WP Mail SMTP は WordPress.org フォーラムで限定サポートを提供しています。 WP Mail SMTP Pro ユーザーは、世界中で1対1のメールサポートを受けられます。
White Glove 設定
「White Glove 設定」のサービスは強力な選択肢の1つで、誰でも利点が得られます。あなたに時間が無かったり、あるいはもしかしたら少し理解の限界を超えているようなとき – 私たちがカバーします。
すべての設定を私たちが終えるまでどうぞゆっくりおくつろぎください。White Glove 設定は WP Mail SMTP プラグインのインストールと設定を含みます。適切なメールドメイン名の検証のための DNS の調整から、SMTP.com や Mailgun 設定、 すべての設定ができているか確認する最後のテストまでを見事にこなします。
セキュリティ
WP Mail SMTP チームはセキュリティにとくに注意を払っています。単にセキュリティ上のベストプラクティスに従うばかりではなく、あなたのサイトを失敗なく安全にする色々なオプションを提供します。
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SMTP.com、Sendinblue、Mailgun、SendGrid、Postmark、SparkPost などのダイレクト SMTP メーラー連携 (推奨) は、公式プロバイダ API を使用します。すなわち、プラグインの設定にユーザー名やパスワードを入力する必要はなく、認証情報もデータベースに保存しません。代わりに、より安全なトークンや API キーを使用します。
-
他の SMTP メーラーを使う場合、
wp-config.php
ファイルにパスワードを挿入するというオプションも用意しています。データベース内や、WordPress の設定で見えることはありません。
クレジット
WP Mail SMTP プラグインはもともと Callum Macdonald により作成されました。現在は WPForms 開発チームによって保有、メンテナンスされています。 – WPForms は WordPress 用の最良のドラグ&ドロプ式のフォーム構築プラグインです。
無料版の WPForms プラグイン を試せばプラグインマーケット最上位の理由がおわかりいただけるでしょう。
次のステップ
もし WP Mail SMTP プラグインが気に入ったなら、他の私たちのプロジェクトも良ければご覧ください:
- OptinMonster – Get more email subscribers with the most popular conversion optimization plugin for WordPress.
- WPForms – #1 ドラッグ & ドロップで使える WordPress 用のフォームビルダー (4百万サイトでの実績) 。
- AIOSEO – The original WordPress SEO plugin to help you rank higher in search results (trusted by over 3 million sites).
- MonsterInsights – See the stats that matter and grow your business with confidence. Best Google Analytics plugin for WordPress.
- SeedProd – 美しいランディングページをパワフルなドラッグ & ドロップのビルダーで作成します。
- Smash Balloon – #1 WordPress 用のソーシャル フィード プラグイン – ソーシャルメディアのコンテンツを WordPress 上でコードなしに表示できます。
- WPCode – must have WordPress code snippet management plugin to help you future-proof website customization (trusted by 1.5 million sites).
- Duplicator – popular WordPress backup and migration plugin used by over 1 million websites.
- WP Simple Pay – #1 Stripe payments plugin for WordPress. Start accepting one-time or recurring payments without a shopping cart.
- PushEngage – あなたのウェブサイトを訪問したユーザーと繋いでウェブ版プㇱシュ通知で導くプラグイン。
- RafflePress – ベスト WordPress 用のコンテスト・提供プラグインでソーシャルのフォロワーを増やし、トラフィックを増大します。
- TrustPulse – リアルタイムの社会的証明のある通知でお店のコンバージョンを15%までも加速。
- SearchWP – The most advanced custom WordPress search plugin to improve WordPress search quality.
- AffiliateWP – #1 affiliate management plugin for WordPress. Add a referral program to your online store.
- Easy Digital Downloads – The best WordPress eCommerce plugin to sell digital products (eBooks, software, music, and more).
- WPCharitable – Top-rated WordPress donation and fundraising plugin for WordPress.
Visit WPBeginner to learn from our WordPress Tutorials and about the best WordPress plugins.
スクリーンショット
WP Mail SMTP 設定ページ List of mailers with その他の SMTP settings example Backup Connection (Pro) セットアップ ウィザード - ご利用のメーラーを選択 セットアップ ウィザード - メーラー設定例 メールテストページ 「メールログ」設定ページ (Pro) 「メール制御」設定ページ (Pro) メールログのアーカイブページ (Pro) メールログの固定ページ (Pro) メールレポート - メールログの電子メールの件名によって分類した統計 (Pro) メールログの一括書き出し (Pro) Email Alerts - Get notified about failed emails (Pro) Additional Connections - List of connections (Pro) Additional Connections - Configuration page (Pro) Smart Routing - Conditional logic for email sending (Pro)
インストール
- Install WP Mail SMTP by WPForms either via the WordPress.org plugin repository or by uploading the files to your server. (See instructions on how to install a WordPress plugin)
- 「WP Mail SMTP by WPForms」を有効化します。
- WordPress 管理画面から「WP Mail SMTP」の設定箇所を開く。
- Choose your SMTP option (SMTP.com, Sendinblue, Mailgun SMTP, SendGrid SMTP, Postmark, SparkPost, Gmail SMTP, or Other SMTP) and follow the instructions to set it up.
- さらに手助けが必要ですか ? WP Mail SMTP PRO でサポートを受けましょう。
FAQ
-
このプラグインは Gmail、G Suite、Outlook.com、Office 365、Hotmail、Yahoo、AOL SMTP を使ってメール配信できますか ?
-
はい ! 広範な参考文献があり、大半の定番のメールサービスの SMTP 設定をカバーしています。
私たちの文書 で各サービスでの正しい SMTP 設定について見てください。
-
助けて ! サポートが必要、問題をかかえています。
-
詳しい情報は私たちのサポートポリシーをお読みください。
WP Mail SMTP ユーザには WordPress.org サポートフォーラムで限定的なサポートが受けられます。
メールサポートと設定アシスタントが WP Mail SMTP Pro ユーザには提供されています。
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バグを見つけました。そこでどうしたら良いですか ?
-
もしバグにお困りなら、そのことを報告するのに最良の場所はWP Mail SMTP GitHub レポジトリです。
GitHub はプラグインの開発に活発に使用される場所で、問題点を投稿すると私たち開発者 (Slava) にすぐに見てもらえる場所です。投稿されると、私たちがそのバグを確認検証して担当します。イシューに発行されると、より詳しい内容の報告を追加することができるようになり、バグの解決が早まります。 -
プラグインに x、y、z の機能を追加できますか ?
-
端的に言えば、それはあるでしょう。
By all means please contact us to discuss features or options you’d like to see added to the plugin. We can’t guarantee to add all of them, but we will consider all sensible requests. We can be contacted here:
https://wpmailsmtp.com/contact/
評価
貢献者と開発者
WP Mail SMTP by WPForms – The Most Popular SMTP and メールログ Plugin はオープンソースソフトウェアです。以下の人々がこのプラグインに貢献しています。
貢献者変更履歴
3.8.0 – 2023-04-26
- IMPORTANT: Support for PHP 5.6, 7.0, and 7.1 has been discontinued. If you are running one of those versions, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v3.8. Failure to do that will disable WP Mail SMTP functionality.
- Changed: Updated Moment.js library to 2.29.4.
- Changed: Removed unneeded sodium_compat library.
- Fixed: Email address with apostrophes in the Email Test page.
- Fixed: Review request notice display on subsites admin area in WP Multisite installation.
- Fixed: Setup Wizard playing UA anthem for certain WP sites.
3.7.0 – 2022-12-15
- Changed: Improved Action Scheduler data cleanup on plugin uninstall.
- Changed: Improved performance for database table validation checks.
- Fixed: Tasks meta database table error.
- Fixed: Gmail mailer authorization error if the oAuth app already had other non mail scopes attached.
- Fixed: Email address validation in Setup wizard.
- Fixed: Removed unneeded composer libraries autoload code.
- Fixed: Conflict detection for plugin Sendinblue – WooCommerce Email Marketing (v3.0+)
3.6.1 – 2022-10-06
- Added: The
wp_mail
function call backtrace to the Debug Events if the “Debug Email Sending” option is enabled. - Added: Plugin’s DB tables re-creation process in WP Site Health.
- Added: Debug Events retention period setting.
- Changed: Updated the list of conflicting plugins (added Zoho Mail).
- Changed: Improved conflicting plugins’ admin notices (display multiple at once)
- Changed: Switched to the WP Core function
is_email
for verifying email addresses. - Changed: Improved the detection if
wp_mail
function is overwritten. - Fixed: Gmail mailer not using the correct From Email Address in Domain Checker.
- Fixed: Setup Wizard steps navigation, when going backwards.
3.5.2 – 2022-08-17
- Fixed: The check if
wp_mail
function is overwritten on Windows servers.
3.5.1 – 2022-07-14
- Changed: Removed MailPoet from the list of conflicting plugins.
- Fixed: PHP warning for undefined variable when using the Default (none) mailer.
3.5.0 – 2022-07-14
- Added: Check if
wp_mail
function is overwritten. - Added: DB table (
wpmailsmtp_tasks_meta
) cleanup after scheduled actions execution. Keeps DB size small. - Changed: Updated the list of conflicting plugins (added Branda and MailPoet).
- Changed: Updated Action Scheduler library to 3.4.2.
- Fixed: SMTP.com mailer email content-encoding.
- Fixed: Dashboard widget graph when there is no email logs data.
- Fixed: Missing Sendinblue email body WP filter.
- Fixed: Chart.js library conflicts with other plugins.
3.4.0 – 2022-04-27
- Added: New transactional mailer: SendLayer integration.
- Changed: Improved Mailgun API error message extraction.
- Changed: Standardized error messages format and improved WP remote request errors extraction.
- Fixed: Lite plugin uninstall actions clearing plugin options while Pro version is active.
- Fixed: Hiding unrelated network admin notices on WP Mail SMTP pages.
3.3.0 – 2022-02-17
- IMPORTANT: Support for WordPress versions 5.1.x or lower has been discontinued. If you are using one of those versions, you MUST upgrade WordPress before installing or upgrading to WP Mail SMTP v3.3. Failure to do that will disable WP Mail SMTP functionality.
- Added: PHP 8.1 compatibility.
- Changed: Updated the list of conflicting plugins (added FluentSMTP and WP HTML Mail).
- Changed: Improved debug error message for the Other SMTP mailer in Debug Events.
- Changed: Updated Action Scheduler library to 3.4.0.
- Changed: Improved Action Scheduler performance.
- Fixed: PHP deprecated notices in Sendinblue library (PHP 7.4+).
- Fixed: DB tables row in Site Health Info section is now private.
- Fixed: Debug Events’ screen options visible on general Tools page.
- Fixed: Screen Options right alignment.
3.2.1 – 2021-11-17
- Fixed: PHP 8 compatibility when existing Gmail mailer connection is revoked.
3.2.0 – 2021-11-11
- Added: New transactional mailer – SparkPost integration.
- Added: One-click migration from FluentSMTP plugin.
- Added: Plugin constants integration in Setup Wizard.
- Fixed: Early plugin deactivation issue with activity log plugins.
3.1.0 – 2021-09-28
- Added: New transactional mailer – Postmark integration.
- Added: Support for string attachments (added via PHPMailer object).
- Changed: Improved Email Source detection in Debug Events for WP Core sent emails.
- Changed: Improved uninstall process. It now removes all plugin DB data and tables.
- Fixed: Email Source detection in Debug Events for file paths with backslashes.
- Fixed: Blurry image assets in Weekly Email Summary.
- Fixed: PHP extension mb_strings not polyfilled correctly.
- Fixed: Added missing is_email_sent filters for Sendinblue, Mailgun, and Gmail mailers.
- Fixed: Debug Events double-entry DB save, because of a bug in is_email_sent method for certain mailers.
3.0.3 – 2021-08-09
- Fixed: Weekly Summary Email sending when migration code didn’t trigger yet.
3.0.2 – 2021-08-05
- Fixed: Fatal PHP error on WP version 5.2 and lower (missing wp_timezone function).
3.0.1 – 2021-08-05
- Added: Weekly Email Summary – email sending statistics sent to your inbox.
- Added: Debug Events – logging all email sending errors and debug events.
- Added: Quick admin area links.
- Changed: Updated the successful Email Test screen.
- Changed: Updated Action Scheduler library to 3.2.1.
- Fixed: WP core admin spinner for the dashboard widget.
- Fixed: PHP error when objects implementing
__invoke()
method were used as hook callbacks for admin notices.
2.9.0 – 2021-06-24
- Added: Action Scheduler table to the Tools page.
- Added: Dashboard Widget with total emails sent counter.
- Changed: Notifications design.
- Changed: Sodium Compat library loading improved.
- Fixed: Plugin conflict with plugins that populate $_POST data (Ultimate Addons for Elementor, WishList Member, …).
- Fixed: Sendinblue WooCommerce Email Marketing plugin conflict admin notice display.
- Fixed: jQuery deprecated notices.
- Fixed: Action Scheduler library loading issue.
- Fixed: Canceled Setup Wizard’s OAuth authorization redirecting to the Setup Wizard when connecting via regular plugin settings.
- Fixed: Meta DB table not existing error notices on a WP Multisite subsite.
2.8.0 – 2021-05-06
- Added: WP Site Health status check for the sending domain.
- Added: WP Mail SMTP WordPress admin menu position filter hook.
- Changed: Moved the Email Test tab to the new WP Mail SMTP > Tools page.
- Changed: Updated the list of conflicting plugins.
- Fixed: Removed the empty admin dashboard menu item for the Setup Wizard.
- Fixed: The Setup Wizard conflicting issue with Admin 2020 plugin.
- Fixed: The plugin settings pages not opening when WishList Member plugin was active.
2.7.0 – 2021-03-25
- IMPORTANT: Support for PHP 5.5 has been discontinued. If you are running one of those versions, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v2.7. Failure to do that will disable WP Mail SMTP functionality.
- 変更: プラグインの「About us」画面を更新
- Changed: Improved Domain Check Results section in Email Test tab.
- Changed: Allow the use of different Gmail aliases as From Email address by disabling the Force From Email setting.
- Changed: The Setup Wizard can now be launched via a button in the plugin settings. The Setup Wizard admin dashboard menu item was removed.
- Fixed: WP Multisite subsite admins couldn’t remove oAuth connections (in the Gmail mailer).
2.6.0 – 2021-02-04
- Added: New plugin Setup Wizard.
- Added: SendGrid Invalid API key error message and mitigation steps on the Email Test page.
- Fixed: PHP 8 support.
2.5.1 – 2020-10-28
- Fixed: The automatic updates issue with Gmail mailer token refresh.
- Fixed: The ‘wp-amil-smtp’ typo in a plugin text-domain and a HTML class.
2.5.0 – 2020-10-22
- Added: Other SMTP mailer password encryption/decryption.
- Changed: Gmail mailer suggested steps for
invalid_grant
error on the Settings > Email Test page. - Changed: Gmail mailer redirect URI was changed to fix issues with
mod_security
or redirect blocking plugins/solutions. - Fixed: Plugin options re-saving with unescaped magic quote characters.
- Fixed: SMTP.com mailer email delivery for certain SMTP servers if attachment’s encoded string is too long.
2.4.0 – 2020-09-17
- Added: Prefix all 3rd-party libraries to avoid compatibility issues with other plugins using different versions of the same libraries.
- Changed: Sendinblue SDK library version to 6.4.
- Changed: Google apiclient library version to 2.7.
- Changed: Improve plugin settings input and toggle focus states.
- Fixed: Hide admin bar menu when errors are present and the “Hide Email Delivery Errors” setting is enabled.
- Fixed: CSS sourcemaps warning messages in browser dev tools.
- Fixed: Action Scheduler tasks being registered too early and not getting assigned to the plugin group.
- Fixed: Admin bar CSS asset loading when the admin bar is not showing.
- Fixed: Fatal error on plugin uninstall if
ActionScheduler_QueueRunner::unhook_dispatch_async_request
method does not exist. - Fixed: PHP Deprecated notice for
base_convert()
function usage in the Mailgun mailer.
2.3.1 – 2020-08-20
- Added: A WP Mail SMTP admin bar menu if there is an email delivery error or notifications.
- Added: WordPress 5.5 compatibility.
- Changed: Improve copy button user experience for Gmail Authorized redirect URI option.
- Changed: Email delivery error admin notices are now displayed only on plugin pages.
- Changed: Improve plugin settings UI by hiding certain options if the mailer does not support them.
- Changed: Pepipost API mailer is no longer available for new installs.
- Fixed: WP Site Health check for missing DB tables.
- Fixed: PHP errors caused by Actions Scheduler library used inside the plugin.
- Fixed: PHP error on plugin settings and WP Site Health pages if the plugin mailer option is empty for some reason.
2.2.1 – 2020-07-09
- Added: Gmail mailer now supports aliases.
- Added: Support both old PHPMailer v5 (WordPress <=5.4) and PHPMailer v6 (WordPress >=5.5).
- Changed: Pepipost mailer is now using the native API v5 instead of the SendGrid migration API.
- Fixed: Incorrect Mailgun Domain Name option was not showing an email delivery error.
- Fixed: Empty debug errors for the Sendinblue mailer are no more.
- Fixed: Properly compare From Email option value with a correct default email address from WP core.
2.1.1 – 2020-06-08
- Changed: Remove current automatic default reply-to address and add WP filter
wp_mail_smtp_processor_set_default_reply_to
for setting default reply-to addresses. - Changed: Improve description for several options with links to an article about how to properly use constants.
- Fixed: PHP parse error connected to Monolog library on PHP versions < 7.x.
2.1.0 – 2020-06-04
- Added: Async/scheduled tasks management support.
- Added: New warning notification for selecting the “Default (none)” mailer and saving the plugin settings.
- Changed: Set the original From Email as Reply-To address if it was overwritten by the Force From Email option.
- Changed: The Force From Email option is now enabled by default, for new plugin installs.
- Changed: Reply-To header is now set when not provided, equals to From Name/Email.
- Fixed: Display a non-empty PHPMailer error when some non-SMTP mailers generate errors.
- Fixed: Display a more accurate message, when the “channel – not found” error is triggered by SMTP.com API.
- Fixed: Save and display debug errors for the “Other SMTP” mailer.
- Fixed: Improve the debug details for the “Invalid address (setFrom)” error in the Email Test tab.
- Fixed: Improve the debug details for SMTP CA verification fail, Gmail Guzzle requirements, and Gmail invalid grant errors.
- Fixed: Improve the uninstall cleanup procedure.
2.0.1 – 2020-05-07
- Changed: Improved description of the “Do Not Send” plugin option.
- Fixed: Due to Pepipost API changes we now convert new lines so they are preserved in plain text emails.
- Fixed: Downgrade internal Guzzle dependency to 6.4 to temporarily fix compatibility issues with WordPress and Guzzle 6.5. Affects Gmail mailer.
2.0.0 – 2020-04-27
- IMPORTANT: Support for PHP 5.2-5.4 has been discontinued. If you are running one of those versions, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v2.0. Failure to do that will disable WP Mail SMTP functionality.
- Added: new mailer – SMTP.com integration.
- Changed: Plugin filters that change the FROM Name/Email in emails are now always running last.
- Fixed:
false
value of theWPMS_SMTP_AUTH
/WPMS_SMTP_AUTOTLS
constants was not properly handled in UI. - Fixed: various minor code and internal links improvements.
1.9.0 – 2020-03-23
- Added: Add various Status tests and Info section on Tools > Site Health page.
- Added: Notify admin if there are unsaved changes in plugin admin area options.
- Fixed: Test email now has a proper bottom margin for better look.
- Changed: Update “About us” plugin page with relevant information.
- Changed: Save default WordPress FROM Email address when incorrect FROM Email address is saved by a user.
1.8.1 – 2019-12-13
- Fixed: Revert Guzzle version to 6.4.1 because Sendinblue and Gmail mailers may experience issues under certain circumstances while sending emails (not all sites are affected).
- Fixed: Make compatible the WordPress PhpMailer class inline attachments management with the Sendgrid API.
1.8.0 – 2019-12-12
- Added: New recommended mailer: Pepipost.
- Added: “Suggest a Mailer” link in a list of mailers to send us your ideas about new ones.
- Fixed: Sendgrid: Content ID for attachments missing.
- Changed: Timeout to HTTP requests (pepipost, sendgrid, mailgun), same as max_execution_time, to prevent fails when sending emails with big attachments.
1.7.1 – 2019-11-11
- Fixed: Compatibility with WordPress 5.3.
- Fixed:
Processor::get_default_email()
always returns empty value when server incorrectly configured.
1.7.0 – 2019-10-24
- Added: Add a new constant
WPMS_DO_NOT_SEND
to block email sending. - Fixed: Default email (wordpress@example.com) rewriting in CLI mode.
- Fixed: Incorrect conflicts detection with certain plugins.
- Fixed: various typos in plugin settings.
1.6.2 – 2019-09-02
- Fixed: Race condition when loading with certain plugins, that send emails very early. Makes email delivery more reliable.
1.6.0 – 2019-08-21
- Added: New transactional mailer: Sendinblue.
- Added: Educate users to use transactional mailers for better deliverability.
- Added: New option and filter to disable admin area delivery error notices.
- Changed: Hide private API key saved in the DB for API based mailers using
input[type=password]
. - Changed: Update links to various docs, pointing now to https://wpmailsmtp.com.
1.5.2 – 2019-07-18
- Fixed: “Redirect URI mismatch” error for “Gmail” mailer when trying to re-authorize an account that was initially created with version < v1.5.0.
- Changed: Make “Authentication” setting in “Other SMTP” mailer ON by default for new users.
- Changed: Mailers docs links now point to wpmailsmtp.com own site.
1.5.1 – 2019-07-12
- Fixed: Duplicated emails sent to the first recipient in a loop (and others not receiving their emails).
1.5.0 – 2019-07-09
- Added: Loсo plugin support.
- Added: “About us” admin area page.
- Added: Display in debug output a possible conflicting plugin existence.
- Added: Lots of actions and filters to improve flexibility of the plugin.
- Changed: Plugin menu is now top level.
- Changed: Hide secrets/API keys in page DOM in plugin admin area.
- Changed: Do not save constant values into the database when plugin settings are saved.
- Changed: Lots of i18n improvements to support translation for both free and paid version of the plugin.
- Changed: Gmail mailer – allow to change From Name email header.
- Changed: Gmail mailer – display email used to create a connection.
- Changed: WordPress 4.9 is the minimum WordPress version we support.
- Fixed: X-Mailer header should be present in all emails.
- Fixed: PHP notices when migrating under certain circumstances from 0.x version of the plugin.
- Fixed: Options::get_group() now supports values set via constants.
1.4.2 – 2019-03-23
- Changed: Tested up to WordPress 5.1.x.
- Changed: Removed TGMPA library.
1.4.1 – 2018-12-03
- Fixed: correctly process backslashes in SMTP passwords defined via constants.
- Changed: allow to send a Test Email when Default (none) mailer is selected in plugin settings.
1.4.0 – 2018-11-29
- Added: New option: Do Not Send – block emails from being sent.
- Added: New option: Send HTML or plain text emails when doing an Email Test.
- Added: New option: Mailgun region selection – US and EU (US is default to preserve compatibility).
- Fixed: Compatibility with WordPress 3.6+.
- Fixed: Compatibility with WordPress 5.0.
- Fixed: Constants usage is much more reliable now, works correctly on Multisite. Constants are global accross the whole network.
- Fixed: Preserve multipart emails when using Sendgrid/Mailgun mailers (were converted to HTML-only).
- Fixed: Security hardening.
- Changed: Prefill Email Test page From field with currently logged in user email.
- Changed: Update libraries: google/apiclient-services, google/auth, phpseclib/phpseclib and their dependecies.
- Changed: Display in debug output cURL version if Gmail mailing failed.
- Changed: Display in debug output OpenSSL version if it exists if Gmail/SMTP mailing failed.
- Changed: Display plugin version in dashboard error notice when emailing failed.
- Changed: Do not allow to send Test Email if mailer not configured properly.
- Changed: Notify in plugin admin area that Gmail doesn’t allow to redefine From Name/Email etc.
- Changed: List all constants with descriptions in plugin main file: wp_mail_smtp.php.
- Changed: TGMPA: change descriptions from “Required” to “Recommended” (labels were incorrect).
1.3.3 – 2018-07-05
- Fixed: Compatibility with other plugins, that are using Google Service or Google Client classes.
- Changed: Optimize code loading.
1.3.2 – 2018-06-29
- Make sure that other plugins/themes are not conflicting with our TGMPA library.
1.3.1 – 2018-06-29
- Fixed: Other SMTP: Clear new Debug messages about failed email delivery on next successful email sending.
- Fixed: Introduce conditional autoloader to workaround Gmail PHP 5.5 requirement and its library compatibility issues vs PHP 5.3+ minimum viable plugin version.
1.3.0 – 2018-06-28
- Added: New option: force From Email rewrite regardless of the current value.
- Added: New option: force From Name rewrite regardless of the current value.
- Added: New option: remove all plugin data on plugin uninstall (when user deletes it).
- Added: Notify site admins in wp-admin area with a notice about last failed email delivery. Cleans up on successful delivery.
- Added: Notify site admins in wp-admin area with a notice about possible compatibility issues with other SMTP and email delivery plugins.
- Added: Improve User Debug Experience when doing Email Test – display helpful description and steps to fix the issue.
- Added: New users: provide default SMTP Port value for new users based on Encryption selection.
- Added: New users: notify about not configured plugin settings.
- Added: New users: Recommend free WPForms Lite plugin for those who don’t have it.
- Added: SendGrid/Mailgun: provide support for multipart/alternative types of emails.
- Added: Gmail: new button to remove connection and to connect a new Google account.
- Fixed: Support plugin installation into /mu-plugins/ directory.
- Fixed: SendGrid: required text/plain part of email being the first one – fixes plain text emails not having links.
- Fixed: SendGrid and Mailgun: improperly sending plain text emails in html format.
- Fixed: SMTP Debug output was empty in some cases.
- Fixed: Compatibility with lots of other plugins that use Google Analytics library of different versions.
- Fixed: “client_id is empty” is no more a problem, should be fixed.
- Changed: For SendGrid and Mailgun allow using custom defined attachments names if present. Fallback to file name.
- Changed: Gmail: switch to a wider scope to prevent possible issues in certain circumstances.
- Changed: Remove whitespaces start/end of keys, secrets etc.
- Changed: Improved helpful description tests of various options.
- Changed: Improved plugin autoloading functionality.
1.2.5 – 2017-02-05
- Fixed:
Return path
can’t be turned off. - Fixed:
Authentication
sometimes can’t be turned off. - Fixed:
Auto TLS
sometimes can’t be turned off. - Fixed: BCC support for Gmail was broken.
- Fixed: Debug output improved to handle SELinux and grsecurity.
- Fixed: Strip slashes from plugin settings (useful for
From Name
option). - Fixed: Change the way sanitization is done to prevent accidental removal of useful data.
- Fixed: Plugin activation will not overwrite settings back to defaults.
- Fixed: Properly set
Auto TLS
option on plugin activation. - Fixed: Providers autoloading improved for certain Windows-based installs.
- Fixed: Use the proper path to load translations from plugin’s
/languages
directory. - Changed: Do not autoload on each page request plugin settings from WordPress options table.
- Changed: Do not autoload Pepipost classes unless it’s saved as active mailer in settings.
1.2.4 – 2017-01-28
- Fixed: Improved escaping in debug reporting.
1.2.3 – 2017-01-22
- Fixed: Gmail tokens were reset after clicking Save Settings.
- Fixed: Slight typo in Gmail success message.
1.2.2 – 2017-12-27
- Fixed: Correctly handle Mailgun debug message for an incorrect api key.
- Fixed: Fatal error for Gmail and SMTP mailers with Nginx web-server (without Apache at all).
- Changed: Update X-Mailer emails header to show the real sender with a mailer and plugin version.
1.2.1 – 2017-12-21
- Fixed: Failed SMTP connections generate fatal errors.
1.2.0 – 2017-12-21
- Fixed: Decrease the factual minimum WordPress version from 3.9 to 3.6.
- Changed: Improve debug output for all mail providers.
1.1.0 – 2017-12-18
- Added: New option “Auto TLS” for SMTP mailer. Default is enabled. Migration routine for all sites.
- Changed: Improve debug output – clear styles and context-aware content.
- Changed: Better exceptions handling for Google authentication process.
- Changed: Do not sanitize passwords, api keys etc – as they may contain special characters in certain order and sanitization will break those values.
- Changed: Improve wording of some helpful texts inside plugin admin area.
- Fixed: Do not include certain files in dependency libraries that are not used by Google mailer. This should stop flagging plugin by Wordfence and VaultPress.
- Fixed: Constants usage is working now, to define the SMTP password, for example.
- Fixed: Notice for default mailer.
1.0.2 – 2017-12-12
- Fixed: PHPMailer using incorrect SMTPSecure value.
1.0.1 – 2017-12-12
- Fixed: Global POST processing conflict.
1.0.0 – 2017-12-12
- Added: Automatic migration tool to move options from older storage format to a new one.
- Added: Added Gmail & G Suite email provider integration – without your email and password.
- Added: Added SendGrid email provider integration – using the API key only.
- Added: Added Mailgun email provider integration – using the API key and configured domain only.
- Added: New compatibility mode – for PHP 5.2 old plugin will be loaded, for PHP 5.3 and higher – new version of admin area and new functionality.
- Changed: The new look of the admin area.
- Changed: SMTP password field now has “password” type.
- Changed: SMTP password field does not display real password at all when using constants in
wp-config.php
to define it. - Changed: Escape properly all translations.
- Changed: More helpful test email content (with a mailer name).