Open Source Linux Anti-Spam Software
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Anti-Spam Software for Linux
View 5 business solutionsBrowse free open source Anti-Spam software and projects for Linux below. Use the toggles on the left to filter open source Anti-Spam software by OS, license, language, programming language, and project status.
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Demo Series - Small Business Backup By VeeamWatch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
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Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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Scrollout F1
An easy-to-use anti-spam email gateway
• Designed for Linux and Windows email system administrators, Scrollout F1 is an easy to use, already adjusted email firewall (gateway) offering free anti-spam and anti-virus protection aiming to secure existing email servers, old or new, such as Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail and others. • Built-in multilayer security levels make configuration effort equal to a car radio. • It combines simplicity with effective protection using powerful open source with additional set of rules & filters. • Available as 64bit: - ISO image (Internet connection required during installation) - install from scratch (Internet connection required during installation). • Minimum Requirements (for 5,000 messages/day): 1 GB of RAM 30 GB storage drive 1 Processor x86/AMD64 1 Ethernet x 1 IPv4 address UDP ports: 53 123 4500 6277 24441 TCP ports: 25 80 443 2703 -
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Anti-Spam SMTP Proxy Server
Anti-Spam SMTP Proxy Server implements multiple spam filters
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are also available for download. NOTICE: V1 development has been stopped at the end of 2014 (1.10.1 build 16060). Possibly there will be done some bugfixing in future. Please upgrade to V2, which is and will be actively maintained. -
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Gophish
Open-Source Phishing Framework
Gophish is a powerful open-source phishing toolkit that makes it easy to test an organization’s exposure to phishing. Designed for businesses and penetration testers, Gophish lets you quickly and easily set up and launch phishing campaigns, track results and set up security awareness training. Gophish works on most platforms, including Windows, Mac OS X and Linux. -
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One Monitoring Tool for IT, OT and Cloud | Free TrialModern infrastructure spans data centers, cloud platforms and factory floors, and every blind spot between them is a risk. PRTG supports SNMP, WMI, SSH and other standard protocols to monitor IT, OT and hybrid environments through one customizable dashboard. Build the views your team needs, from network health to application performance, without switching tools. Try PRTG free for 30 days now.
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Anti-Adblock Killer
Keep your Ad-Blocker active, when you visit a website and it asks you
Helps you keep your Ad-Blocker active, when you visit a website and it asks you to disable. Composed of a user script «AakScript» written in javascript and a filter list «AakList» using the same syntax as lists AdBlock and AdBlock Plus, the two are complementary and unlock different website. Check if you have only one Adblocker enabled. (Adblock, Adblock Plus or uBlock Origin). Check if the script manager is enabled (Greasemonkey, Tampermonkey, NinjaKit, etc...). Check if you have installed the latest version of Anti-Adblock Killer Script. Check if you have subscribed to Anti-Adblock Killer List. Enable only the filter lists you need, too many can make your browser unresponsive. -
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MailCleaner
Anti Spam SMTP Gateway
MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project https://github.com/SpamTagger [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...) -
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CIDRAM
CIDRAM: Classless Inter-Domain Routing Access Manager.
CIDRAM (Classless Inter-Domain Routing Access Manager) is a PHP script designed to protect websites by blocking requests originating from IP addresses regarded as being sources of undesirable traffic, including (but not limited to) traffic from non-human access endpoints, cloud services, spambots, scrapers, etc. It does this by calculating the possible CIDRs of the IP addresses supplied from inbound requests and then attempting to match these possible CIDRs against its signature files (these signature files contain lists of CIDRs of IP addresses regarded as being sources of undesirable traffic); If matches are found, the requests are blocked. -
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Mailfilter
Remote anti spam utility
Mailfilter is a flexible utility for UNIX (-like) operating systems to get rid of unwanted spam mails, before having to go through the trouble of downloading them into the local computer. It offers support for one or many POP accounts. -
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BitCrazy's Faucet-in-a-Box Mod
Mod of the original Faucet-in-a-Box faucet PHP script
Mod of the original Faucet-in-a-Box faucet PHP script (based on its revision 69). Includes pre-installed Anti-Bot Links 5.75, full support of user balances, countdown timer and some other improvements and cool features. ======================================== Minimum requirements: PHP 5.4.4+ (5.5 recommended) MySQL (5.6 recommended) ======================================== CHANGELOG { [F] - bugfixes, [+] - new features, [!] - known issues } Current release (version 7): [+]: CACert.pem updated to latest version. [+]: FaucetHub.php was replaced with native FaucetHub library! [+]: Faucet now has page "Currency rate", where you can see USD price of selected currency. [+]: Anti-Bot Links were updated to version 5.75 [F]: + various related fixes & small changes. [!]: Script has no support for FaucetHub's "last_status" code and "checkAddress()" fn (at least, now) -
Build Agents and Models on One PlatformGemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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Spam Filter Zone
Server-side web application for detecting and blocking spam
The project goal is to create server-side web application, capable of detecting and blocking spam for multiple mailboxes. Features: detecting different sender addresses; different sender domains; orphan IPs for sender domains; calendar files, and DAT files. Blocks spam by regular expression or text, by sender address, by sender domain, by sender IP, and by sender IP group. Blocking by sender IP group is used against spam attacks from multiple IPs and domain names, residing under the same IP group (read ReadMe.txt for details). The application is written in PHP language. -
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A simple and portable tool to protect USB storage drives against spreading of Autorun.inf viruses through the USB drives by creating some un-deletable dummy files in your USB drive. Also it can clean autorun viruses from the selected drive.
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The clamav-unofficial-sigs script provides a simple way to download, test, and update third-party signature databases provided by Sanesecurity, SecuriteInfo, MalwarePatrol, OITC, etc. The package also contains cron, logrotate, and man files.
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Ethical Hacking - Pokhara
Educating Nepalese on about Cyber Security & Ethical Hacking.
This project is basically based on giving free/paid workshop/training/seminar on "Cyber Security & Ethical Hacking", to the people/students of Nepal. Being Nepali, I always thought of helping people of Nepal in New and Rising Topic of World. Now, that topic is "Cyber Security & Ethical Hacking". My involvement in this Project can be found in detail in my own website here : http://www.bijayacharya.com/about-me/bj-as-hacker/ -
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FilterBadRecruiters
Google Apps Script to send third party recruiter email to spam
FilterBadRecruiters is a Google Apps Script that processes new messages looking for unwanted email from known third party recruiters. When a match is found, a reply is sent informing the sender that the message is being reported as spam and will not be read. The script then logs matches to a spreadsheet and updates a pie chart displaying what percentage of these type of messages were sent from each domain. -
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Internet Captcha
ASP or PHP Captcha, completly configurable, with prevalidation
Internet Captcha is designed to protect your html forms where users send information to others users or databases. With this captcha only human can complete the security code and only a human will be able to use your web page. The Internet Captcha is free to put in your web, it have a configurator to define the view and a lot of visual effects. Security level is configuable too, you can fix distortion, number turn, distance betwen numbers and doping elements to make difficult automatically detect the code. The captcha is prevalid in the main form and if you fail with the correct code the system can be generate other code in the same page without reload. The captcha is HTML5 compliant and it is compliant with more famous browsers including Internet Explorer 6 and upper. -
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OpenSIQServer is the first OpenSource email sender reputation system, the efficiency is comparable with commercial software (more of 85% of spam email identified, less of 0.0001 false positive).
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Py Forensic
Análisis forénsico, entorno unificado y extracción de datos
Plataforma de recolección de información que se desarrolla mediante la programación de pequeños módulos independientes. Dichos scripts llevan a cabo las tareas forénsicas que habitualmente reservamos a otras aplicaciones. La instalación en Windows es muy sencilla (ver instrucciones en la descarga). En otras plataformas (Mac y GNU/Linux) se complica. -
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The system is designed to upload phishing emails to a database where they are automatically analyzed and customized reports can be generated. UnMask was developed by ECIT Labs, Dept of Computer Science, FSU. The director of the Lab is Dr. Sudhir Aggarwal. UnMask has substantial on-line help features and should mainly be self-explanatory.
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A Very Simple Captcha
This Plugin provides very simple and powerful captcha for your blog
This Plugin provides very simple and powerful captcha for your blog with wide variety of logical methods and models. By displaying different logical captcha with random manner may provide high level of security. Users can select wide variety of methods to display the captcha 1. Sorting in increasing or decreasing order 2. Entering biggest or smallest number 3. Selecting Am or Am Not Spammer using combo box 4. Entering the alphabets 5. Addition or Subtraction 6. Selecting Am Not Spammer using check box -
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Advert Filter List
Advertising domain filtering list
This is a list of advertising domains that can be used with a proxy server to remove unwanted advert traffic from the network. This list is directly compatible with tinyproxy, but may also work with other proxy servers. -
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This class is intended to block the action of spam bots or robots (as Captcha), employing inteligent tactics on human detection. Made on PHP.
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BeanieCaptcha
A simple PHP-AJAX captcha application
BeanieCaptcha is a simple captcha developed with PHP - JavaScript. -
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