Lemwarm
Email warm-up and deliverability monitoring for cold outreach senders
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Pricing
From $24/mo
Company
lempire
Platforms
What is Lemwarm?
lemwarm is an email warm-up and deliverability tool that helps outreach emails reach the inbox instead of spam. It warms up your inbox by exchanging real emails with a network of 20,000+ healthy domains in 100+ countries, checks your SPF, DKIM, DMARC and MX setup, and gives you a daily deliverability score.
You connect Gmail or Outlook in one click, and providers like Zoho, FastMail and Proton also work. lemwarm alerts you to spam risks based on your sending behavior and content, and sends daily tips on copy, sending patterns and setup. The vendor suggests about 4 weeks of warm-up plus 2 more weeks before starting campaigns, then leaving it running as ongoing maintenance.
It suits solo senders, sales teams and agencies running cold email. lemwarm is made by lempire and is included free with every lemlist plan.
Key features
- Warm-up across 20,000+ real domains in 100+ countries
- SPF, DKIM, DMARC and MX setup checks
- Daily deliverability score
- Spam-risk alerts based on sending behavior and content
- Warm-up using your real email templates
- Industry-tailored warm-up network
- One-click Gmail and Outlook connection
- Daily tips and detailed deliverability reports
Use cases
Who it's for
Warming up a new sending domain
Build sender reputation over about 4-6 weeks before launching cold campaigns from a fresh inbox.
Fixing low open rates
Run the technical setup check to find missing or misconfigured SPF, DKIM, DMARC or MX records.
Ongoing reputation maintenance
Keep warm-up running between campaigns so reputation does not drop and emails stay out of spam.
Scaling outreach across a team
Warm many inboxes with volume pricing and priority support on the custom plan.
Lemwarm pricing
From the vendor's site, checked Nov 7, 2026. Prices change — confirm on their pricing page.
| Plan | Essential | Smart | Custom |
|---|---|---|---|
| Paid monthly | $29/moper email; $26/mo billed quarterly | $49/moper email; $43/mo billed quarterly | Custom quotevolume pricing |
| Paid yearly | $24/mo−17% | $40/mo−18% | — |
| Warm-up network | 20k+ domains | Industry-tailored | — |
| Warm-up emails | Human | Personalized | — |
| Also |
|
| — |
| Cost for a team, per month | 1 person | 5 people | 20 people |
|---|---|---|---|
| Essentialper seat | $24 | $120 | $480 |
| Smartper seat | $40 | $200 | $800 |
Billed yearly where the plan offers it. — means the plan doesn't allow that many people.
Which plan do you need?
Get an email when Lemwarm changes its prices
One mail per change, a stop link in each. Nothing else.
How Lemwarm compares
- Lemwarm has no free plan, while 1 of the 2 alternatives below has one.
- It has no public API, unlike all 2 others.
| Tool | Starts at | Free plan | Free trial | API | Open source | |
|---|---|---|---|---|---|---|
| LLemwarm | $24/mo | — | — | — | — | |
W Warmy | $49/mo | — | — | Lemwarm vs Warmy | ||
M MailReach | $19.5/mo | — | — | Lemwarm vs MailReach |
The closest alternatives in our directory by category. “Starts at” is the cheapest paid plan per month, as each vendor lists it.
Pros and cons
Strengths
- Warm-up network of 20,000+ domains with real replies
- Works with Gmail, Outlook, Zoho, FastMail and Proton
- Included free with every lemlist plan
- 20% discount with yearly billing
Limitations
- Priced per email inbox, so costs grow with each inbox
- No free plan
- Warm-up takes around 6 weeks before campaigns
Lemwarm FAQ
How much does lemwarm cost?
Essential is $29 per email per month, or $24 billed yearly. Smart is $49, or $40 billed yearly. Teams with more than 10 users get custom pricing.
How long does warm-up take?
About 4 weeks of warm-up, then 2 more weeks before starting real campaigns. The vendor recommends leaving it on afterwards.
Which email providers does it support?
Gmail and Outlook connect in one click. Zoho, FastMail and Proton also work.
Do I need lemwarm if I use lemlist?
No. lemwarm is included free with every lemlist plan.
Does lemwarm read my emails?
According to the vendor, it uses a secure login, never reads your real emails and never touches your contacts.
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Lemwarm
From $24/mo