C
Evidence Grade C
Graded
under review
Use with Hedging
Current
0.3%
0.3% -- spam rate for email domains sending to Gmail users (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
0.3%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Sources (2)
salesforge.ai
Primary
Tier A
https://www.salesforge.ai/blog/googles-new-email-sending-guidelines ↗
Source Article
Google's New Email Sending Guidelines
Table of contents
Summarize with
Are you sending more than 5k emails to Gmail accounts and is your spam rate <0.3%? 🤔
It's not a question you would have asked yourself early 2023.
Google's latest announcement around new Gmail requirements as of Feb'24 will mean a good amount of companies will need t…
Also cited by
statista.com
https://www.statista.com/
2026-08-16
Original Research
salesforge.ai
· Original study ↗
Methodology
Spam rate applies to all email traffic of the domain, not just sales/marketing.
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Suggested hedging: According to limited, single-source data, based on claims without stated methodology, with unverified sample sizes...
Plain Text
email domains sending to Gmail users: 0.3% spam rate. Source: salesforge.ai (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-email-sending-guidelines-spam-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-email-sending-guidelines-spam-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.3%</strong> -- spam rate for email domains sending to Gmail users<br><small>Source: salesforge.ai (2026) · <a href="https://lighthousedata.io/data/google-email-sending-guidelines-spam-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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