Email deliverability you can trust.
High deliverability, easy API integration, and developer friendly infrastructure. Clean your lists, import subscribers from your CRMs, and send promotional emails that land in the inbox — while protecting your reputation.
Manual approvals required — legit people & businesses only.
Clean, clear, trustworthy email
Make it simple to integrate and keep you in the inbox with transparent tooling.
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Deliverability‑first
List hygiene, warmup, and safeguards baked‑in — not bolted on.
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Transparent tooling
Monitoring, feedback loops, and alerts so you can act fast.
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Built for teams
SaaS, newsletters, and high‑volume senders with room to grow.
Send email in minutes
Clean REST API with simple SDKs. Here’s a taste.
curl -X POST https://api.mailenv.com/v1/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"from": "hello@yourdomain.com",
"to": ["user@example.com"],
"subject": "Welcome to MailEnv",
"text": "Thanks for joining!",
"tags": ["onboarding"]
}'
import MailEnv from '@mailenv/sdk';
const client = new MailEnv({ apiKey: process.env.MAILENV_API_KEY });
await client.send({
from: 'hello@yourdomain.com',
to: ['user@example.com'],
subject: 'Hello from Node',
html: 'Inbox, meet results.
',
tags: ['onboarding']
});
import os
from mailenv import Client
client = Client(api_key=os.environ.get('MAILENV_API_KEY'))
client.send({
'from': 'hello@yourdomain.com',
'to': ['user@example.com'],
'subject': 'Hello from Python',
'text': 'Inbox, meet results.',
'tags': ['onboarding']
})
Everything you need to hit the inbox
We help you clean your lists, increase your deliverability and your reputation, import subscribers and contacts from your CRMs, and send high converting promotional emails to your newsletters or subscribers.
List hygiene
Suppress invalid, risky, and inactive addresses automatically.
Reputation tools
Authentication, warmup, and monitoring with clear alerts.
CRM & campaigns
Import contacts, segment, and schedule promotional sends.
From setup to send in minutes
Connect
Verify your domain, choose Starter on SES or request a dedicated environment.
Clean
Import contacts and enable hygiene: bounces, traps, and inactive suppression.
Send
Use the REST API or dashboard to send with deliverability guardrails.
Scale with confidence
Transactional & Starter
- SES‑powered Starter plans with hygiene and warmup
- Templates, tags, metadata
- Webhooks and logs
Campaigns & CRM
- Import from CRMs and warehouses
- Segmentation and scheduling
- Analytics, feedback loops, alerts
Teams rely on MailEnv
“Switched from a legacy ESP and saw 29% lift in opens within 2 weeks.”
“The hygiene + warmup combo kept us out of the spam folder.”
“API is clean, docs are clear, and deliverability is legit.”
“Case study: 41% uplift on onboarding emails after list hygiene + domain warmup.”
“Migrated 2M contacts and saw blocklist risk drop to near zero.”
“Transactional receipts hit Primary in Gmail; support tickets fell 18%.”
Ready to land in the inbox?
Start free, build and clean your list. Later, pick your environment, and send with confidence.