Editing Email (section)

===Spam===
{{Main|Email spam}}
Email "spam" is unsolicited bulk email. The low cost of sending such email meant that, by 2003, up to 30% of total email traffic was spam,<ref>{{cite web|url=https://www.sitepronews.com/2015/05/04/seeing-spam-how-to-take-care-of-your-google-analytics-data/|title=Seeing Spam? How To Take Care of Your Google Analytics Data|website=sitepronews.com|access-date=5 September 2017|url-status=live|archive-url=https://web.archive.org/web/20171107005139/https://www.sitepronews.com/2015/05/04/seeing-spam-how-to-take-care-of-your-google-analytics-data/|archive-date=7 November 2017|date=2015-05-04}}</ref><ref>Rich Kawanagh. The top ten email spam list of 2005. ITVibe news, 2006, January 02, [https://itvibe.com/news/3837/ ITvibe.com] {{webarchive|url=https://web.archive.org/web/20080720071624/https://itvibe.com/news/3837/ |date=2008-07-20 }}</ref><ref>How Microsoft is losing the war on spam [https://dir.salon.com/story/tech/feature/2005/01/19/microsoft_spam/index.html Salon.com] {{webarchive|url=https://web.archive.org/web/20080629050141/https://dir.salon.com/story/tech/feature/2005/01/19/microsoft_spam/index.html |date=2008-06-29 }}</ref> and was threatening the usefulness of email as a practical tool. The US [[CAN-SPAM Act of 2003]] and similar laws elsewhere<ref>Spam Bill 2003 ([https://www.aph.gov.au/library/pubs/bd/2003-04/04bd045.pdf PDF] {{webarchive|url=https://web.archive.org/web/20060911062331/https://www.aph.gov.au/library/pubs/bd/2003-04/04bd045.pdf |date=2006-09-11 }})</ref> had some impact, and a number of effective [[anti-spam techniques (email)|anti-spam techniques]] now largely mitigate the impact of spam by filtering or rejecting it for most users,<ref>[https://www.wired.com/2015/07/google-says-ai-catches-99-9-percent-gmail-spam/ "Google Says Its AI Catches 99.9 Percent of Gmail Spam"] {{webarchive|url=https://web.archive.org/web/20160916054313/https://www.wired.com/2015/07/google-says-ai-catches-99-9-percent-gmail-spam/ |date=2016-09-16 }}, Cade Metz, July 09 2015, wired.com</ref> but the volume sent is still very high&mdash;and increasingly consists not of advertisements for products, but malicious content or links.<ref>[https://securelist.com/analysis/quarterly-spam-reports/74682/spam-and-phishing-in-q1-2016/ "Spam and phishing in Q1 2016"] {{webarchive|url=https://web.archive.org/web/20160809154745/https://securelist.com/analysis/quarterly-spam-reports/74682/spam-and-phishing-in-q1-2016/ |date=2016-08-09 }},  May 12, 2016, securelist.com</ref> In September 2017, for example, the proportion of spam to legitimate email rose to 59.56%.<ref>{{Cite web|url=https://usa.kaspersky.com/about/press-releases/2018_fifa-2018-and-bitcoin-among-2017-most-luring-topics|title=Kaspersky Lab Spam and Phishing report|date=May 26, 2021|access-date=July 17, 2018|archive-date=July 17, 2018|archive-url=https://web.archive.org/web/20180717183438/https://usa.kaspersky.com/about/press-releases/2018_fifa-2018-and-bitcoin-among-2017-most-luring-topics|url-status=live}}</ref> The percentage of spam email in 2021 is estimated to be 85%.<ref>{{Cite web|url=https://www.thexyz.com/blog/2021-email-usage-statistics/|title=2021 Email Usage Statistics|date=October 5, 2021|access-date=October 5, 2021|archive-date=October 5, 2021|archive-url=https://web.archive.org/web/20211005234608/https://www.thexyz.com/blog/2021-email-usage-statistics/|url-status=live}}</ref>{{better source needed|date=October 2021}}