MachFive
Product
Plan and find
Campaigns
Reads your site and builds your offers
Lead finder
Finds the right people or takes your own lists
Verification
Checks every email before anything sends
Write and send
Unique emails
A different email for every person
Managed inboxes
Set up, warmed and swapped for you
Your own inboxes
Connect your own sending inboxes
Reply and learn
Inbox
Every reply in one place, already sorted
CRM
Cold leads live here, your main CRM stays clean
Analytics
Replies, and what each interested one costs
Connect and help
Integrations
Send leads to the tools you use
Expert setup
We launch it with you, then office hours
How MachFive works →
Pricing →
Solutions
Who it’s for
Small businesses
An agency’s work, without the agency
Agencies
Cold email for every client, from one place
Sales teams
More conversations, no per-seat fees
How MachFive works →
Pricing →
Resources
Learn
Blog
Cold email strategies and AI insights
How MachFive works →
Pricing →
Pricing
Log in
Book a demo
Start free
MachFive
Product
Plan and find
Campaigns
Lead finder
Verification
Write and send
Unique emails
Managed inboxes
Your own inboxes
Reply and learn
Inbox
CRM
Analytics
Connect and help
Integrations
Expert setup
Solutions
Who it’s for
Small businesses
Agencies
Sales teams
Resources
Learn
Blog
Pricing
Log in
Start free
→
Book a demo
Blog
/
Deliverability
Deliverability
2 posts about Deliverability.
See all posts →
Does Spintax Still Work for Cold Email? What to Do When You Hit the Ceiling
December 31, 2025
Michael Lawrence
Founder of MachFive
Why Do Cold Emails Land in Spam? How to Fix Deliverability in 2026
December 30, 2025
Michael Lawrence
Founder of MachFive