mailX by mailwarm
Free email deliverability testing, DNS query and other tools to help you analyze domain name issues.
Why it is listed as free
Matched free signals： 免费使用免费无需注册zh-inherited
This is a text-signal filter, not a pricing promise. Free limits, trial length and feature scope are set by the official site and can change at any time.
About the tool (excerpt from the public listing)
mailX is a tool focusing on email deliverability and DNS query. It can help users quickly analyze domain name configuration, email authentication settings, etc., and solve the problem of emails going to the spam box. Its importance lies in ensuring that emails can reach the recipient's main inbox smoothly, improving the enterprise's email marketing effect and communication efficiency. The main advantages include: multiple audits can be carried out in one operation, providing clear and easy - to - understand explanations, and also providing APIs and MCP servers for engineers. The product was developed to meet the needs of teams relying on email performance. In terms of price, it offers 100 free uses without registration. Its positioning is to provide solutions for various teams that need to solve DNS, authentication, and email deliverability problems.
The description above comes from the public directory listing and is not independently verified; check the official site for accuracy.
