Skip to content
Product
Brain
Your ICP and offerings, from your website.
Find
People already asking for what you sell.
Research
Fit, intent and why now, with sources.
Sales plan
Which accounts to work and what to do next.
Write
Messages and follow-ups from checked facts.
Playbooks
Your approach, drawn into steps you can check.
Conversations
Every reply in one Inbox, by company.
Meetings
Attendees, what is open and what to ask.
How it works
Case studies
Design partners
Learn
About
Blog
Sign in
I’m interested
The Mach blog
Practical guides to sales automation, account research and conversations that move a sale forward.
Vaibhav Verma
Lead finding
All
Account research
AI sales agents
Building Mach
Buyer research
Buying software
Conversations
Lead finding
Lead qualification
Sales automation
Sales engagement
Sales operations
Sending
Lead finding
How to find a work email address for a B2B prospect: methods, accuracy and what bounces cost
How email finders work, how often they find an address, what a bounce rate costs your sending domain, and the rules for emailing business contacts. Benchmarks from named sources, with the numbers we could not support left out.
Nov 3, 2026