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WP Mail SMTP by WPForms – The Most Popular SMTP and 电邮日志 Plugin

作者WPForms

描述

WordPress 电子邮件 SMTP 寄件插件

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.

我们的目标是让电子邮件的递送变得简单而可靠。我们希望确保您的邮件能够送达收件箱。

WP MAIL SMTP通过正确配置WordPress在发送邮件时使用的SMTP提供程序来修复邮件的可达性。

最重要的是，我们简单易用的设置向导和详细的文档能指导您完成整个过程。

什么是SMTP？

SMTP（简单邮件传输协议）是发送电子邮件的行业标准。正确的SMTP配置有助于通过使用身份验证来提高电子邮件的传递性。

Gmail、Yahoo、Office 365和Zoho等流行的电子邮件客户端都在不断地与垃圾邮件发送者进行着斗争。他们关注的问题之一是，电子邮件是否真实的来自其声称的发件地址。

如果没有正确的身份验证，泽电子邮件会进入垃圾邮件文件夹，更糟糕的甚至根本无法送达。

这对于很多WordPress站点来说是一个问题，因为默认情况下，WordPress使用PHP MAIL函数来发送WordPress或其余联系表单插件生成的邮件，如WPForms联系表单插件。

问题是大多数主机服务没有为PHP的邮件传递正确配置其服务器。

两者结合会导致WordPress的邮件无法送达。

WP Mail SMTP如何工作？

WP Mail SMTP插件通过改进和更改您WordPress站点的电子邮件发送方式，轻松解决电子邮件发送问题。我们重新配置了wp_mail()函数，以使用正确的SMTP主机凭据或是内置的SMTP邮件提供程序。

当使用我们集成的内置SMTP邮件提供程序（推荐）时，电邮将直接使用提供程序的API进行发送。这意味着即使您的网站主机被屏蔽了SMTP端口，您的邮件仍然可以成功发送。

This helps you fix all WordPress not sending email issues.

WP Mail SMTP插件包含许多不同的SMTP设置选项：

  1. SendLayer (#1 Recommended)
  2. SMTP.com (推荐)
  3. Sendinblue SMTP (推荐)
  4. Mailgun SMTP
  5. SendGrid SMTP
  6. Postmark SMTP
  7. SparkPost SMTP
  8. Gmail SMTP (Gmail, Google Workspace, G Suite)
  9. Microsoft SMTP (Outlook.com and Office 365) [Pro]
  10. Amazon SES SMTP [Pro]
  11. Zoho Mail SMTP [Pro]
  12. 所有其他SMTP

对于大多数选项，您可以为发出的邮件指定“发件人名称”和“邮件地址”。

谷歌翻译：我们决定将其全部集于一身，而不是让用户为不同的SMTP提供商使用不同的SMTP插件和工作流程。 这就是使WP Mail SMTP成为WordPress的最佳SMTP解决方案的原因。

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是我们推荐的付费电子邮件服务。

SMTP.com拥有超过22年的电子邮件传递可靠经验，其存在的时间几乎与电子邮件本身一样悠久。其被互联网供应商称为互联网上最可靠的邮件传递服务之一。

其简单的集成过程让您在几分钟内就可以开始发送邮件，并从它们多年的经验中受益。SMTP.com在前30天为用户提供50,000封免费电子邮件额度。

阅读我们的SMTP.com文档以了解更多信息。

Sendinblue SMTP

Sendinblue是一个值得推荐的付费电子邮件服务。

他们为全球80,000多家成长中的企业提供服务，每天发送超过3000万封电子邮件。

他们的技术人员一直在努力优化其SMTP基础设施的可靠性和速度。Sendinblue每天为用户提供300封免费邮件额度。

阅读我们的Sendinblue文档以了解更多信息。

Mailgun SMTP

Mailgun SMTP是一个流行的SMTP服务提供商，允许您发送大量的电子邮件。他们每月提供5,000封免费邮件的发送额度，为期3个月。

WP MAIL SMTP插件提供了与MailGun的原生集成。您所要做的就是连接您的MailGun账户，这将会提高您的电子邮件可达性。

阅读我们的Mailgun文档以了解更多信息。

SendGrid SMTP

SendGrid提供有免费的SMTP计划，您可以使用它每天发送100封邮件。通过我们的原生SendGrid SMTP集成，您可在WordPress站点上轻松安全地设置SendGrid SMTP。

阅读我们的SendGrid文档以了解更多信息。

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.

谷歌翻译：这允许您使用专业电子邮件地址并改善电子邮件的可传递性。

与其他Gmail SMTP插件不同，我们的Gmail SMTP选项使用OAuth来验证您的谷歌账户，使您的登录信息100%安全。

阅读我们的Gmail文档以了解更多信息。

Microsoft SMTP（Outlook.com和Office 365）

Many businesses use Outlook.com or Microsoft 365 to power their email. Our Microsoft mailer integration allows you to use your existing Outlook.com or Microsoft 365 account to send emails from WordPress for better deliverability.

Read our Outlook and Microsoft 365 documentation for more details.

Amazon SES SMTP

高级或技术用户可以通过Amazon SES邮件程序利用Amazon AWS（Amazon Web Services）的功能。通过此集成，您可以以合理的速率发送大量的邮件。

阅读我们的SendGrid文档以了解更多信息。

Zoho Mail SMTP

使用您的个人或企业Zoho Mail账户发送电子邮件，同时保证您的登录信息安全。

阅读我们的Zoho Mail文档以了解更多信息。

其他 SMTP

WP Mail SMTP插件可以用于常见的电子邮件服务如Gmail、Yahoo、Outlook、Microsoft Live，也可用于其他提供SMTP的电子邮件服务。

您可以设置以下选项。

  • 指定一个SMTP主机。
  • 指定一个SMTP端口。
  • 选择SSL / TLS加密。
  • 是否选择使用SMTP身份验证。
  • 指定SMTP用户名和密码。

要查看热门服务的推荐设置以及故障排除提示，请查看我们的SMTP文档。

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 专业版

除了原生的微软，亚马逊SES和Zoho邮件集成，WP邮件SMTP专业版还提供了许多其他强大的功能和服务。

Click here to purchase WP Mail SMTP Pro now!

电邮日志

通过电邮日志，您可以记录和查看从您的站点发送的所有邮件。电邮日志可帮助您存储电子邮件以供记录，审阅发出的邮件以及在站点开发过程中进行调试。

But that’s just the beginning. Our powerful WordPress email logs unlock extra tools to help you measure email engagement and improve email deliverability:

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.

Track Email Opens and Clicks

Wondering if an important email was actually opened, or if any links in the email were clicked? Our email log lets you view open and click tracking stats for your WordPress emails.

Store Email Attachments

WP Mail SMTP lets you store all of the email attachments that are sent from your WordPress site. That makes it easy to review an attachment or archive it locally.

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.

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.

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.

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.

Smart 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.

Email Reports

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 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.

管理WordPress的电邮和通知

管理通知功能让您可以完全控制WordPress发送的电子邮件通知。这意味着您可以禁用不同的WordPress通知邮件。不想在创建新用户时收到邮件？没问题，将其关闭。

WordPress多站点网络设置

对于运行多站点网络的用户，我们在网络设置中提供了一个集合的设置位置，可以轻松地为所有站点配置SMTP，节省您的时间。

专业支持

We provide limited support for the WP Mail SMTP plugin on the WordPress.org forums. Access to our world class one-on-one email support is available to WP Mail SMTP Pro users.

白手套设置

我们的白手套设置服务是一个极佳的选择，任何人都可以从中受益。无论您是没有时间，还是觉得有点力不从心，我们都会为您提供服务。

有我们来为您设置好一切，您可以坐下来放松。白手套设置包括WP MAIL SMTP插件的安装及设置，对您的DNS进行配置调整以确保电子邮件域名验证正确设置，对SMTP.com货Mailgun进行设置，然后到最终测试以确认一切顺利完成。

安全

WP Mail SMTP团队非常重视安全性。该插件不仅遵循所有安全性最佳做法，而且我们提供了多种选择来确保您的网站安全。

  • Direct SMTP mailer integrations (recommended), such as SMTP.com, Sendinblue, Mailgun, SendGrid, Postmark and SparkPost, use the official provider APIs. This means you never enter your username or password in the plugin settings and these credentials are not stored in the database. Instead, we use tokens or API keys which are much more secure.

  • 当使用其他SMTP邮件程序时，我们提供了将密码插入到 wp-config.php 文件中的选项，因此在WordPress设置中不可见，因为它未被保存在数据库中。

贡献者

WP Mail SMTP插件最初是由Callum Macdonald所开发。 现由WPForms幕后的团队所拥有和维护，WPForms是很受欢迎的WordPress拖放表单生成器。

您可以尝试使用一下免费版的WPForms插件，亲身体验下为什么WPForms很受欢迎。

下一步是什么

如果您喜欢我们的WP Mail SMTP插件，那么请考虑看看我们的其他项目。

  • OptinMonster – 使用WordPress最受欢迎的转换优化插件获得更多的电子邮件订阅者。
  • WPForms – #1 drag & drop online form builder for WordPress (trusted by 5 million sites).
  • MonsterInsights – 查看重要的统计数据并自信地发展您的业务。WordPress最佳Google Analytics（分析）插件。
  • SeedProd – 使用我们强大的拖拽式着陆页面构建器创建漂亮的着陆页面。
  • RafflePress – 增加流量和社交粉丝的最佳 WordPress 赠品和禁赛插件。
  • Smash Balloon – 最佳 WordPress 社交 feeds 插件 – 在WordPress中显示社交媒体内容，无需代码。
  • AIOSEO – the original WordPress SEO plugin to help you rank higher in search results (trusted by over 3 million sites).
  • PushEngage – 利用领先的 Web 推送通知插件在访客离开您的网站后与他们联系。
  • TrustPulse – 添加实时社交证明通知，以提高您的商店转换率，最高可达15%。
  • SearchWP – The most advanced WordPress search plugin. Customize your WordPress search algorithm, reorder search results, track search metrics, and everything you need to leverage search to grow your business.
  • AffiliateWP – The #1 affiliate management plugin for WordPress. Easily create an affiliate program for your eCommerce store or membership site within minutes and start growing your sales with the power of referral marketing.
  • WP Simple Pay – The #1 Stripe payments plugin for WordPress. Start accepting one-time and recurring payments on your WordPress site without setting up a shopping cart. No code required.
  • Easy Digital Downloads – The best WordPress eCommerce plugin for selling digital downloads. Start selling eBooks, software, music, digital art, and more within minutes. Accept payments, manage subscriptions, advanced access control, and more.
  • Sugar Calendar – A simple & powerful event calendar plugin for WordPress that comes with all the event management features including payments, scheduling, timezones, ticketing, recurring events, and more.

访问WPBeginner，从我们的WordPress教程中学习，并了解其他最佳WordPress插件。

屏幕截图

  • WP Mail SMTP 设置页面
  • List of mailers with 其他 SMTP settings example
  • Backup Connection (Pro)
  • 设置向导 - 选择您的邮件程序
  • 设置向导 - 邮件程序配置示例
  • 电邮测试页
  • 电邮日志设置页（Pro）
  • 电邮控制设置页（Pro）
  • 电邮日志归档页（Pro）
  • 电邮日志单页（Pro）
  • Email Reports - 电邮日志 statistics grouped by email subject (Pro)
  • 电邮日志 bulk Export (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)

安装

  1. 通过WordPress.org的插件仓库或上传文件到您的服务器来安装WP Mail SMTP。 (可阅读以下说明如何安装WordPress插件)
  2. 激活 WP Mail SMTP by WPForms。
  3. 在WordPress仪表盘中，转到WP Mail SMTP的设置页面。
  4. 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.
  5. Need more help? Get support with WP Mail SMTP 专业版.

常见问题

我可以使用此插件去发送Gmail，G Suite，Outlook.com，Office 365，Hotmail，Yahoo或AOL SMTP的电子邮件吗？

是的! 我们有大量涵盖了设置SMTP最流行的电子邮件服务的文档。

阅读我们的文档，查看每项服务的正确 SMTP 设置。

帮助！ 我需要支持/我有一个问题。

请阅读我们的支持政策了解更多信息。

通过WordPress.org支持论坛为WP Mail SMTP用户提供有限的支持。

WP Mail SMTP Pro用户可获得电子邮件支持和设置的协助。

我发现了一个漏洞（bug），现在做啥？

谷歌翻译：如果您偶然发现了一个错误，最好的报告位置是 WP Mail SMTP GitHub存储库。 GitHub是插件积极开发的地方，在那里发布将让我们的开发人员（我和Slava）很快看到你的问题。 发布后，我们将审核您的错误报告并对错误进行分类。 创建问题时，可以添加到报表中的详细信息越多，解决错误的速度就越快。

您可以在插件中添加x、y或z功能吗？

简答：也许会。

请务必与我们联系以讨论您希望在插件中添加哪些功能或选项。 我们不保证全部的功能都添加，但我们会考虑所有合理的要求。 可在此处联系我们。

https://wpmailsmtp.com/contact/。

评价

Excellent Plugin

2023年3月16日
An excellent plugin which we use on our production site. Makes the process of sending emails seamless. Take the time to watch the video on how to set this plug in up, it will save you a lot of hassle especially if using GMail. A great plugin, well supported, very easy to use and a great addition to any WordPress site. Five stars.
阅读所有3,702条评价

贡献者及开发者

“WP Mail SMTP by WPForms – The Most Popular SMTP and 电邮日志 Plugin” 是开源软件。 以下人员对此插件做出了贡献。

贡献者

“WP Mail SMTP by WPForms – The Most Popular SMTP and 电邮日志 Plugin”插件已被翻译至32种本地话语言。 感谢所有译者为本插件所做的贡献。

将“WP Mail SMTP by WPForms – The Most Popular SMTP and 电邮日志 Plugin”翻译成您的语言。

对开发感兴趣吗?

您可以浏览代码，查看SVN仓库，或通过RSS订阅开发日志。

更新日志

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.
  • Changed: Updated About us plugin page.
  • 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 the WPMS_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

  • 变化：已测试到WordPress 5.1.x.
  • 变化：删除了TGMPA库。

1.4.1 – 2018-12-03

  • 修复：正确处理通过常量定义的SMTP密码中的反斜杠。
  • 变化：允许在插件设置中选择默认（无）邮件程序时发送测试电子邮件。

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).
  • 修复：兼容WordPress 3.6+。
  • 修复：兼容WordPress 5.0。
  • 修复。 常量现可在多站点网络中使用。 设置后,常量会在整个网络的站点中全局保持生效。
  • 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

  • 确保其他插件/主题与我们的TGMPA库不冲突。

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.
  • 变化：管理区域的新外观。
  • 变化：SMTP密码字段现在具有“密码”类型。
  • 并未翻译！Changed: SMTP password field does not display real password at all when using constants in wp-config.php to define it.
  • 并未翻译！Changed: Escape properly all translations.
  • 变化：更有用的测试电子邮件内容（使用邮件程序名称）。

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