深度解析

The questions we get asked most.

Deliverability

What is DMARC?

What is email deliverability, and how is it different from delivery rate?

What is engagement-based filtering, and how do mailbox providers use it?

What is Google Postmaster Tools, and what do its dashboards mean?

What is greylisting, and why did my email arrive late?

What is one-click unsubscribe, and how do I implement List-Unsubscribe?

What is SPF, and what does an SPF record do?

Why are my emails going to spam?

基于同一网络构建。

测试 API 密钥即刻获取。添加付款方式并验证发送者身份后，即可解锁生产环境。