B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
90.4%
90.4% -- spam share of email traffic for All email sent (global email traffic) (2009-05)
Spam accounts for 90.4% of all email sent according to a Symantec report cited by CNET.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
90.4%
Unit
Percentage
Data Vintage
2009-05
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Symantec
Primary
Tier C
http://news.cnet.com/8301-1009_3-10249172-83.html ↗
Source Article
Spam now at 90% - Did you notice?
This morning CNET had an article on how Spam now accounts for 90.4% of all email sent. The report from Symantec is clearly reputable and I'm sure based on very scientific data. That being said, I was surprised by how 'un-surprised' and really un-phased I was by the percentage. Perhaps it is because …
Original Research
Symantec
· Original study ↗
Methodology
Blog post cites a CNET article reporting Symantec data that spam accounted for 90.4% of all email sent; post dated May 2009 (archived Sep 2011). Framed by the author as a deliverability/context benchmark for email marketers.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
All email sent (global email traffic): 90.4% spam share of email traffic. Source: Symantec (2009-05). Via Lighthouse Intelligence -- https://lighthousedata.io/data/spam-share-of-all-email-sent-2009
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<blockquote cite="https://lighthousedata.io/data/spam-share-of-all-email-sent-2009" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>90.4%</strong> -- spam share of email traffic for All email sent (global email traffic)<br><small>Source: Symantec (2009-05) · <a href="https://lighthousedata.io/data/spam-share-of-all-email-sent-2009" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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