RECENT POSTS
- Introduction to FreeBSD Security Best Practices
- Working with Package Management in FreeBSD
- Understanding FreeBSD Security Advisories and Updates
- Troubleshooting Common System Administration Issues in FreeBSD
- Tips for Hardening FreeBSD to achieve System Protection
- Setting Up DHCP Server in FreeBSD
- Secure User and Group Management in FreeBSD Systems
- Secure Remote Access with SSH in FreeBSD
- Optimizing System Performance in FreeBSD
- Network Packet Capture with tcpdump in FreeBSD
- All posts ...
Do you have GDPR compliance issues ?
Check out Legiscope a GDPR compliance software, that will save you weeks of work, automating your documentation, the training of your teams and all processes you need to keep your organisation compliant with privacy regulations
Hashcash
Jul 20, 2023
Anti-spam / denial of service counter-measure tool
The hashcash tool allows you to create hashcash tokens to attach to emails you send, and to verify hashcash tokens attached to emails you receive. A hashcash token constitutes a proof-of-work which takes a parameterizable amount of work to compute for the sender.
Checkout these related ports:
- Xpbiff -
- Xmailwatcher - Mailbox checker which displays sender and subject lines of mails
- Xmailbox - Mailbox checker with sound and animation for X Window System
- Xmail - X-based interface to the Berkeley mail program
- Xfce4-mailwatch-plugin - Mail notification applet for the Xfce panel
- Xfaces - Display shaped icons for mail spool contents
- Xcite - Exciting Cite for any Mail/News reading modes on Emacs
- Xbuffy - Replacement for xbiff that handles multiple mail files
- X-face-e21 - X-Face utilities for Emacs
- Wmmaiload - Incoming mail monitor dockapp with a similar look to wmcpuload
- Wmbiff -
- Whoson - Implementation of `WHO iS ONline' protocol
- Websieve - Web based Cyrus IMAP user admin client
- Wanderlust - Mail and news system for Emacs
- Vrfy - Verify mail address