Thanks for the summary. Do you have a list of the 50 or so databases you unsubscribe from? Do you have any metrics around how many such databases exist in total?
Hunter.io
AnyMailFinder
Lusha
Datanyze Insider
Find That Email
Voila Norbert
Hiretual
Find That Lead
Findemails.com
Uplead
Rocketreach
ContactOut
Discoverly
GetEmail
Sellhack
Clearbit Connect
CEO Email
LeadFeeder
Prospect.io
MailTester
Skrapp
apollo.io
Lead Fuze
ZoomInfo
Prophet
Linkedin Sales Navigator
Ringleads DMS Capture
Data.com
NinjaOutreach
Crunchbase
Mattermark
Builtwithin
Detective
Mention
Mailshake
Snov.io
Propeller CRM
Aeroleads
Mail tester
Vainu
Owler
Demodesk
minelead