ColdRelay × NuMail · 50 % off month one
Get 100 pre-warmed mailboxes in 4 hours, for $50.
Domains, DNS, SPF, DKIM, DMARC — all provisioned in 2–4 hours. Mailboxes attach to NuMail automatically the moment they're ready. No copy-pasting SMTP credentials.
Mailboxes
100
First month
$50 $100
Domains included
25
Provisioning time
2–4h
How the handoff works
Zero-touch provisioning1
Click "Claim 50% off"
We open ColdRelay with your NuMail email and the discount code NUMAIL50 pre-applied.
2
Pay on ColdRelay ($50 first month)
Standard ColdRelay onboarding · pick the niche of domains you want.
3
ColdRelay provisions (2–4 hours)
25 domains, SPF, DKIM, DMARC, MX. 4 mailboxes per domain. 14-day warmup pre-applied.
4
Mailboxes auto-attach in NuMail
A webhook from ColdRelay attaches the 100 mailboxes to this workspace. You'll see them appear in the mailbox list.
5
Add to a campaign pool, send
Mailboxes start at Silver tier (already warmed) and ramp to Gold over 30 days of clean use.
What you get
- 100 mailboxes, 25 fresh domains
- SPF, DKIM, DMARC, MX configured per domain
- 14 days of pre-warmup before handoff
- Auto-attach to NuMail — no SMTP setup
- NuMail Silver tier on day one (Gold after 30d clean)
- $50 first month, $100/mo after
Already have ColdRelay?
Link your existing ColdRelay account and we'll auto-attach any mailboxes you provision (no discount required).