Marketing Medium 4,200/mo

Email Warm-Up Service

Warm up cold email domains automatically to avoid spam filters and improve deliverability. Send from day one without landing in spam.

EmailDeliverability
MRR Potential
$10K–$40K
Time to MVP
8–10 weeks
Search Volume
4,200/mo
Market Size
$2.8B

The Problem

New email domains have zero reputation — emails go straight to spam. Manual warm-up takes 4–6 weeks of gradually increasing send volume. Cold email is the #1 B2B outreach channel but deliverability makes or breaks it. Google and Microsoft are stricter than ever. Warm-up requires sending/receiving real emails — can't be faked.

The Solution

Automated email warm-up network that gradually builds domain reputation by sending and receiving real emails between authenticated accounts — getting new domains inbox-ready in 2–3 weeks instead of 6+.

Target Audience

Sales teams starting cold email outreach from new domains, startups setting up email infrastructure, and agencies managing cold outreach for multiple clients

Key Features

1
Automated warm-up with a network of 10K+ real email accounts
2
Gradual volume increase following best practices for each ESP
3
Inbox placement tracking showing warm-up progress daily
4
SPF, DKIM, and DMARC configuration verification
5
Domain reputation scoring and blacklist monitoring
6
Multi-domain management for agencies warming up client domains

Market Opportunity

Market Size
$2.8B — Email deliverability and outreach growing at 18.5% CAGR
Monthly Searches
4,200/mo
MRR Potential
$10K–$40K
Why Now?

Cold email is the #1 B2B sales channel. Email providers are stricter than ever (Google's 2024 changes). Every new domain needs warm-up. Sales teams rotate domains frequently. Volume-based pricing creates accessible entry.

Revenue Model

Per mailbox: $3/mailbox/mo (volume discount at 50+). Agency: $99/mo (unlimited mailboxes + monitoring). Enterprise: custom pricing. Annual: 20% discount.

Competitive Landscape

Instantly warm-up

Part of Instantly. Included in $30+/mo, bundled with cold email

Lemwarm

Email warm-up. Included in Lemlist ($59+/mo), bundled

Warmbox

Email warm-up. $15+/mo per mailbox, standalone, growing

Manual warm-up

4–6 weeks of manual sending, inconsistent, time-intensive, easy to mess up

Recommended Tech Stack

Next.jsNode.jsPostgreSQLSMTP/IMAPDNS resolverStripeRedis

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