Effective Spam and Malware Countermeasures - Network Noise Reduction Using Free Tools

bsdly.blogspot.com

In order to keep you entertained while I work on a new edition of The Book of PF , I dug deep in the archives for material you might enjoy r...

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Can Your Spam-eater Manage to Catch Seventy-one Percent Like This Other Service?

nxdomain.no Peter N M Hansteen Nov 1, 2022

1 inbound link en openbsdspamdspammeasuringmetricseffectivenessgreylistinggreytrapping

Three Minimalist spamd Configurations for Your Spam Fighting Needs (With Bonus Points at the End)

nxdomain.no Peter N M Hansteen Jan 1, 2024

3 inbound links en OpenBSDspamdspamspamfightingemailsmtpblocklistingblacklistinggreylistinggreytrappingsimple configurationsFreeBSD

A Simpler Life: Trapping Spambots Based on Target Domain Only

nxdomain.no Peter N M Hansteen Jan 1, 2024

2 inbound links en spamdspamd.alloweddomainsgreytrappingspamtrapsOpenBSDFreeBSDblocklists

Goodness, Enumerated by Robots. Or, Handling Those Who Do Not Play Well With Greylisting

nxdomain.no Peter N M Hansteen Aug 7, 2019

5 inbound links en spamdOpenBSDOpenSMTPdsmtpctlwhitelistingSPFgreylistingnospamdSender Policy Framework

Badness, Enumerated by Robots

nxdomain.no Peter N M Hansteen May 20, 2017

6 inbound links en securitypassword guessingantispamssh groperspop3 gropersblacklistsblocklistsbruteforcersspamcybercrime

That Grumpy BSD Guy: A Short Reading List

nxdomain.no Peter N M Hansteen Jun 21, 2025

23 inbound links en Free softwareLibre softwareSoftware Bill of materialsSBOMengineering practicesOpenBSDspamdgreylistingsmtpemailspamantispamcybercrimepacket filteringpfnfsenpflownetflowipfixblocklistsIP blocklistsblacklistsIP blacklistsmalwaremalware countermeasuresnetworkingnetwork securitysecurityreading listliterature overview