Overwrites the native wp_mail function and uses sendgrid servers to send emails.
覆盖本机wp_mail函数，并使用sendgrid服务器发送电子邮件。
For a complete list of SendGrid features visit SendGrid
有关SendGrid功能的完整列表，请访问 SendGrid
Here is list of features provided by SendGrid
以下是SendGrid提供的功能列表
Save Time, Resources and Money
节省时间，资源和金钱
SendGrid helps you focus on your business without the cost and complexity of owning and maintaining an email infrastructure.
SendGrid帮助您专注于您的业务，而无需拥有和维护电子邮件基础架构，而无需花费成本和复杂性。
SendGrid manages all of the technical details from scaling the infrastructure to ISP outreach and reputation monitoring to whitelist services and real time analytics.
SendGrid管理所有技术细节，包括从扩展基础架构到ISP扩展以及信誉监控到白名单服务和实时分析。
Save time, resources, and money by focusing your engineering resources on your business and leave the technical work to SendGrid.
通过将工程资源集中在业务上来节省时间，资源和金钱，并将技术工作留给SendGrid。
Messages That Reach the Inbox
到达收件箱的邮件
On average 20% of legitimate emails never reach the inbox.
平均20％的合法电子邮件永远不会到达收件箱。
For your business, that means lower customer satisfaction, lost customers and less revenue.
对于您的业务，这意味着更低的客户满意度，丢失的客户和更少的收入。
SendGrid offers world class deliverability expertise to make sure your emails get delivered.
SendGrid提供世界一流的可传递性专业知识，以确保您的电子邮件得到传递。
SendGrid handles ISP monitoring, DKIM, domain keys, SPF, feedback loops, whitelabeling, link customization and more.
SendGrid处理ISP监视，DKIM，域密钥，SPF，反馈循环，白标，链接自定义等。
SendGrid even offers unique IP addresses so that you can maintain complete control of your own email reputation.
SendGrid甚至提供了唯一的IP地址，以便您可以完全控制自己的电子邮件信誉。
Integrate in Minutes, Not Weeks
在几分钟而不是几周内整合
Whether you’re sending transactional or marketing emails, SendGrid has an API to make custom integration a breeze.
无论您是发送交易电子邮件还是市场营销电子邮件，SendGrid都有一个API，可让自定义集成变得轻而易举。
Choose from an SMTP API, Web API, Event API, and more.
从SMTP API，Web API，事件API等中选择。
Or, integrate in merely minutes via a simple SMTP relay.
或者，通过简单的SMTP中继仅需几分钟即可完成集成。
You’ll be sending emails in no time.
您将立即发送电子邮件。
Actionable, Real Time Analytics
可行的实时分析
Drive solid business decisions with precise analytics on your email campaigns.
通过对电子邮件活动的精确分析来制定可靠的业务决策。
Easily categorize separate email campaigns and track statistics down to the email address.
轻松对单独的电子邮件活动进行分类，并将统计信息跟踪到电子邮件地址。
Track requests, delivered, bounces, repeat bounces, spam reports, repeat spam reports, invalid email requests, open tracking, unique open tracking, click tracking, unique click tracking, unsubscribe tracking and blocks.
跟踪请求，已交付，退回，重复退回，垃圾邮件报告，重复垃圾邮件报告，无效的电子邮件请求，打开跟踪，唯一打开跟踪，点击跟踪，唯一点击跟踪，退订跟踪和阻止。
All stats are available via our website dashboard or customizable through our Event and/or Web APIs.
所有统计信息都可以通过我们的网站仪表板获得，也可以通过事件和/或Web API进行自定义。
Help When You Need It
在需要时提供帮助
SendGrid offers support via phone or live chat during weekdays from 7am to 7pm (Mountain Time) with critical incident support available 24/7.
SendGrid在工作日上午7点至晚上7点（山区时间）通过电话或实时聊天提供支持，并提供24/7的紧急事件支持。
Self-support is also available through extensive documentation, an online knowledge base, and an active support community at SendGrid.com
也可以通过大量文档，在线知识库和SendGrid.com上的活跃支持社区来获得自我支持。
Incredibly Scalable Infrastructure
难以置信的可扩展基础架构
Whether you’re sending 100 emails or billions of emails per month, SendGrid’s infrastructure is ready to scale and meet the demand at any moment.
无论您每月发送100封电子邮件还是数十亿封电子邮件，SendGrid的基础结构都可以随时扩展并满足需求。
SendGrid currently sends over 5 billion emails per month for tens of thousands of companies.
SendGrid当前每月向成千上万的公司发送超过50亿封电子邮件。
We’re ready to make your scalability problems a thing of the past.
我们已经准备好解决您的可扩展性问题。
