lemwarm
An email deliverability tool that warms up inboxes, monitors spam risks, and boosts open rates for businesses.
Recommended for
- Solo / Indie
- Idea-Stage
- Pre-Seed
- Seed
SSIE
Stage Fit Recommendations
Following data shows why lemwarm is recommended for listed teams. The Fit Score represents the percentage fit of lemwarm to each company stages, as calculated by the SSIE.
Stage
Fit Score
Fit Reasons
Solo / Indie
$0–$2,000 MRR
81- Data deletion and right to erasure
- Self-serve signup from $29/mo, no sales call required
Idea-Stage
$0
87- Data export and portability
- Warms up inboxes by exchanging real emails with 20,000+ domains
- Checks SPF, DKIM, DMARC and MX records for sender trust
Pre-Seed
$0–$10k MRR
89- Tracks daily deliverability scores and flags spam risks
- Supports Gmail, Outlook, Zoho, Fastmail and Proton connections
Seed
$10k–$100k MRR
77- Offers one-click inbox connection for warm-up setup
- Multiple support channels (chat, email)

Description
lemwarm is an email deliverability suite designed to improve inbox placement and prevent emails from being marked as spam. It automatically warms up email inboxes using a network of over 20,000 real domains across 100+ countries. The tool monitors deliverability scores and detects spam risks based on sending behavior and email content. Features include technical setup checks for SPF, DKIM, DMARC, and MX records to ensure proper configuration. It identifies issues like spammy copy, irregular sending patterns, and unverified email lists that could harm reputation. Users receive custom deliverability alerts and daily tips to optimize their email campaigns. Plans include Essential and Smart tiers, with options for teams and volume senders, integrated with lemlist's outreach platform.
Pricing
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