:783
(TCP)
Low 风险
SpamAssassin
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://ipfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://ipfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://ipfyi.com/entity//)Use the native HTML custom element.
TCP — Email
端口概览
端口号
783
服务名称
SpamAssassin
传输协议
TCP
类别
Email
安全风险
Low
端口范围
知名端口 (0-1023)
什么是端口 783?
SpamAssassin spamd daemon, the server process of the widely-used Apache SpamAssassin open-source email spam filter. Deployed on millions of mail servers worldwide.
TCP
Email
常用
安全注意事项
端口783（SpamAssassin）被归类为低风险。该服务使用加密或攻击面极小，相对安全可以暴露。
建议：应用标准安全实践。保持软件更新并监控访问。