Email Marketing Bible · 16 of 16
Appendix D: methodology and sources
How this guide is written, what it does not claim and how to check it.
What you will be able to do
- Understand how claims are sourced
- Know what the guide deliberately leaves out
- Report an error
Sources
Practical statements come from how email works (DNS, SMTP, authentication) and from ValidReach’s own published behaviour. Law summaries are general and carry a review date.
What is left out
We give no industry benchmarks, accuracy figures, rankings or case studies, because we do not hold sourced, dated data for them. Pages that need such data are not published.
Authorship
Written by the ValidReach team. It is not a review by an outside expert.
Corrections
If something is wrong, tell us through the contact page and we will correct it and note the date.
Your output: checklist
- ☐ Check any number you meet against its source and date
- ☐ Treat vendor claims as untested
- ☐ Contact us about errors
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