:24
(TCP/UDP)
Medium Risk
Private Mail System
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/UDP — Email
Port Overview
Port Number
24
Service Name
Private Mail System
Transport Protocol
TCP/UDP
Category
Email
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 24?
Reserved for any private mail system. IANA designates this port for custom or proprietary mail transfer implementations not covered by SMTP or other standard email protocols.
TCP/UDP
Email
Security Considerations
Port 24 (Private Mail System) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.