olemus
meetodid ja vahendid spämmi tõkestamiseks
= methods and means to prevent spam

spämmimismeetodid
http://wiki.asrg.sp.am/wiki/Taxonomy_of_spamming_techniques
http://ilpubs.stanford.edu:8090/771/1/2005-9.pdf

spämmitõrje õigusaktid (legislation)
https://www.verticalresponse.com/blog/email-anti-spam-laws-around-the-world-infographic/
https://en.wikipedia.org/wiki/Email_spam_legislation_by_country

tõrjemeetodid (techniques)
https://en.wikipedia.org/wiki/Anti-spam_techniques
http://wiki.asrg.sp.am/wiki/Taxonomy_of_anti-spam_techniques
http://www.ijcat.com/archives/volume3/issue3/ijcatr03031010.pdf
http://surface.syr.edu/cgi/viewcontent.cgi?article=1038&context=istpub
https://www.irjet.net/archives/V4/i1/IRJET-V4I169.pdf
https://cs.gmu.edu/~huangyih/756/spam-report.pdf

vahendid (tools & services)
https://www.capterra.com.sg/directory/30996/anti-spam/software
https://www.g2.com/categories/email-anti-spam
http://www.cisco.com/c/dam/en/us/products/security/email-security/anti-spam-services.pdf

vt ka
- Bayes'i filter
- spämmifilter