Free tool
Cold email cost calculator
Enter how many cold emails you want to send per day. We work out the mailboxes and domains you need and what it costs each way.
You need
17 mailboxes on 6 domains
ReplyDak
warmup and setup included
$66/mo
Zapmail
list price, checked 16 Oct 2026
$73/mo
Do it yourself
seats + domains only; your time and a warmup tool not included
$149/mo
Domains averaged monthly at $13/year each. Excludes taxes.
How we size it: sending limits per mailbox · mailboxes per domain · full cost breakdown