Email Service Providers (ESPs)

Overview

Connect your Email Service Provider (ESP) to send emails directly from Migma. We support the most popular sending platforms, from cost-effective options like Amazon SES to feature-rich platforms like SendGrid and developer-friendly services like Resend.

Migma Sending

Built-in sending with custom domains

Amazon SES

Cost-effective high-volume sending

Resend

Modern developer-first platform

SendGrid

Advanced analytics and deliverability

Brevo (Sendinblue)

All-in-one marketing platform

Comparison Table

Choose the right ESP for your needs:

Feature	Migma	Amazon SES	Resend	SendGrid	Brevo
Pricing	Included	$0.10/1,000	$20/mo	$19.95/mo	Free-$25/mo
Free Tier	Plan-based	62,000/month	3,000/month	100/day	300/day
Best For	Integrated sending	High volume	Developers	Analytics	Small business
Deliverability	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐
Setup Difficulty	⭐⭐⭐⭐⭐	⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Analytics	Built-in	Basic	Good	Advanced	Advanced
Support	Included	AWS Support	Email	24/7	Email
Open/Click Tracking	✅	❌	✅	✅	✅
Custom Domains	✅	✅	✅	✅	✅

Migma Sending

Best for: Integrated experience, custom domains, built-in tracking

Features

Built-in - No external account needed

Custom domains - Send from your own domain

Open and click tracking - Per-domain settings

Cloudflare integration - One-click DNS setup

Domain health monitoring - Automatic reputation protection

Setup Migma Sending

Add Domain

Go to Settings → Sending Domains → Add Domain

Configure DNS

Add the provided DNS records, or use Cloudflare auto-configure

Verify Domain

Click Verify to confirm DNS records

Start Sending

Send to your audience from any address at your domain

Full Setup Guide

Complete Migma Sending documentation

Amazon SES (Simple Email Service)

Best for: High-volume sending, cost-effectiveness, AWS integration

Features

Extremely cost-effective - $0.10 per 1,000 emails

Free tier - 62,000 emails/month when sending from EC2

Scalable - Send millions of emails

AWS integration - Works with other AWS services

Reliable - Built on AWS infrastructure

Setup Amazon SES

Create AWS Account

Go to aws.amazon.com
Click “Create an AWS Account”
Complete registration

Verify Domain

In AWS SES Console:

Navigate to Verified Identities
Click “Create identity”
Select “Domain”
Enter your domain: example.com
Add DNS records provided by AWS:

Required DNS Records:

Type: TXT
Name: _amazonses.example.com
Value: [verification code from AWS]

Type: CNAME (DKIM - 3 records)
Name: [unique]._domainkey.example.com
Value: [unique].dkim.amazonses.com

Wait 5-10 minutes for DNS propagation

Request Production Access

By default, SES starts in sandbox mode:

❌ Can only send to verified emails
❌ Limited to 200 emails/day
❌ Can’t send to real customers

Request production access:

SES Console → Account dashboard
Click “Request production access”
Fill out the form:
- Use case: “Transactional and marketing emails”
- Website URL
- Describe email types
- Expected volume
Submit request

⏱️ Approval typically within 24 hours

Create IAM Credentials

Create API keys for Migma:

Go to IAM → Users
Click “Create user”
Username: migma-ses-sender
Click “Next”
Select “Attach policies directly”
Search and select: AmazonSESFullAccess
Click “Next” → “Create user”
Click on the user
Go to “Security credentials”
Click “Create access key”
Select “Third-party service”
Copy:
- Access Key ID
- Secret Access Key

Save the Secret Access Key - it’s shown only once!

Configure in Migma

In Migma:

Go to Settings → Integrations → Email Providers
Select “Amazon SES”
Enter:
- AWS Access Key ID
- AWS Secret Access Key
- AWS Region (e.g., us-east-1, eu-west-1)
- Verified sender email/domain
Click “Connect”

Test Sending

Send a test email to verify:

✅ Connection successful
✅ Email delivered
✅ DKIM signed
✅ SPF passing

SES Pricing

Extremely cost-effective:

Volume	Cost
First 62,000/month (from EC2)	FREE
After free tier	$0.10 per 1,000 emails
Attachments	$0.12 per GB
Dedicated IPs	$24.95/month

Example monthly costs:

10,000 emails: $0.00 (free tier)
100,000 emails: $3.80
500,000 emails: $50.00
1,000,000 emails: $100.00

Best Practices

Domain Authentication

Always verify your domain:

✅ Add SPF record
✅ Enable DKIM signing (3 CNAME records)
✅ Set up DMARC policy
✅ Use custom MAIL FROM domain

Better deliverability and sender reputation

Warm Up Your IP

Start slow and increase gradually:

Day 1: 50 emails
Day 2: 100 emails
Day 3: 200 emails
Week 2: 1,000/day
Week 3: 5,000/day
Week 4+: Full volume

Prevents spam filtering and reputation issues

Monitor Bounce Rates

Keep bounce rate under 5%:

Remove hard bounces immediately
Monitor complaint rate (< 0.1%)
Set up SNS notifications
Review bounce reports regularly

High bounce rates can pause your account

Resend

Best for: Developers, modern stack, React Email support, simplicity

Features

Developer-friendly - Clean API, great docs

React Email native - Perfect for Migma’s output

Simple pricing - Transparent, no hidden fees

Great deliverability - High inbox placement

Modern dashboard - Beautiful UI/UX

Setup Resend

Create Account

Go to resend.com
Click “Get Started”
Sign up with email or GitHub

Pricing:

Free: 3,000 emails/month, 100/day
Pro: $20/month for 50,000 emails

Add Domain

Verify your domain:

Click “Domains” → “Add Domain”
Enter: example.com
Add DNS records:

Type: TXT
Name: @
Value: resend-verification-code

Type: MX
Name: @
Value: feedback-smtp.resend.com
Priority: 10

Type: TXT (SPF)
Name: @
Value: v=spf1 include:amazonses.com ~all

Type: CNAME (DKIM)
Name: resend._domainkey
Value: resend.dkim.amazonses.com

Click “Verify”

⏱️ Verification usually takes 5 minutes

Create API Key

Go to API Keys → Create API Key
Name: Migma Integration
Permission: “Sending access”
Domain: Select your verified domain
Click “Add”
Copy the API key

Save the API key - it’s only shown once!

Connect to Migma

In Migma:

Go to Settings → Integrations → Email Providers
Select “Resend”
Enter API key
Select verified domain
Click “Connect”

Test Sending

Send a test email to verify everything works

Why Resend + Migma?

Perfect combination:

Migma generates React Email components
Resend natively supports React Email
No HTML conversion needed
Seamless export workflow

Migma AI generates email
  ↓
React Email components
  ↓
Resend API
  ↓
Delivered beautifully

Resend Pricing

Plan	Emails/Month	Price	Daily Limit
Free	3,000	$0	100
Pro	50,000	$20	1,000
Business	100,000	$50	10,000
Enterprise	Custom	Custom	Custom

SendGrid

Best for: Advanced analytics, deliverability features, enterprise needs

Features

Industry-leading deliverability - Dedicated IPs, reputation monitoring

Advanced analytics - Detailed reporting and insights

Marketing features - Automation, A/B testing, segmentation

Global infrastructure - Fast delivery worldwide

24/7 support - Phone and email support

Setup SendGrid

Create Account

Go to sendgrid.com
Click “Start for Free”
Complete registration

Plans:

Free: 100 emails/day forever
Essentials: $19.95/month (50K emails)
Pro: $89.95/month (100K emails)

Verify Sender

Option 1: Single Sender (Quick)

Settings → Sender Authentication
Click “Verify Single Sender”
Enter email address
Check email for verification link
Click link to verify

Option 2: Domain Authentication (Recommended)

Settings → Sender Authentication
Click “Authenticate Your Domain”
Select DNS host
Enter domain
Add DNS records:

Type: CNAME (3 records for DKIM)
Type: CNAME (1 record for verification)

Better deliverability with domain authentication

Create API Key

Go to Settings → API Keys
Click “Create API Key”
Name: Migma Integration
Permissions:
- Full Access (easiest)
- Or Mail Send only (more secure)
Click “Create & View”
Copy the API key

API key is shown only once - save it securely!

Connect to Migma

In Migma:

Settings → Integrations → Email Providers
Select “SendGrid”
Paste API key
Enter verified sender email
Click “Connect”

Test Connection

Send a test email to verify setup

SendGrid Features in Migma

Email validation - Check addresses before sending

Bounce tracking - Automatic list cleaning

Click tracking - Monitor link engagement

Open tracking - See who opens emails

Unsubscribe groups - Manage preferences

Template storage - Save in SendGrid

SendGrid Pricing

Plan	Emails/Month	Price	Features
Free	100/day	$0	Basic sending
Essentials	50,000	$19.95	Email API, 3 days support
Pro	100,000	$89.95	Full features, 24/7 support
Premier	Custom	Custom	Dedicated IP, custom volume

Brevo (formerly Sendinblue)

Best for: Small businesses, all-in-one platform, SMS + email

Features

All-in-one platform - Email, SMS, chat, CRM

Generous free tier - 300 emails/day free forever

Marketing automation - Workflows and segmentation

Transactional + Marketing - One platform for both

SMS integration - Multi-channel campaigns

Setup Brevo

Create Account

Go to brevo.com
Click “Sign Up Free”
Complete registration

Plans:

Free: 300 emails/day
Starter: $25/month (20K emails)
Business: $65/month (Custom)

Verify Sender

Senders & IP → Senders
Click “Add a Sender”
Enter email address
Check email for verification

Authenticate Domain (Optional but Recommended)

Senders & IP → Domains
Click “Add a Domain”
Enter domain
Add DNS records

Create API Key

SMTP & API → API Keys
Click “Generate a new API key”
Name: Migma
Copy the key

Connect to Migma

Migma → Settings → Integrations
Select “Brevo”
Enter API key
Select sender email
Click “Connect”

Brevo Pricing

Plan	Emails/Month	Price	SMS Credits
Free	300/day	$0	-
Starter	20,000	$25	$20 free
Business	20,000	$65	$20 free
Enterprise	Custom	Custom	Custom

Sending from Migma

Once connected, send emails directly from Migma:

Create Email

Design your email in Migma

Select Recipients

Upload CSV
Use Migma audience
Sync from marketing platform

Choose ESP

Select your connected ESP:

Amazon SES
Resend
SendGrid
Brevo

Configure Send

Subject line
Preview text
From name and email
Reply-to address

Send or Schedule

Send immediately
Schedule for later
Send test first

Track Results

Monitor:

Delivery rate
Open rate
Click rate
Bounces
Complaints

Best Practices

Authentication is Critical

Always authenticate your domain:Required:

✅ SPF record
✅ DKIM signing
✅ DMARC policy

Benefits:

Better deliverability
Builds sender reputation
Prevents spoofing
Required by Gmail/Yahoo (2024+)

Warm Up New Domains

Start slow, increase gradually:

Week	Daily Volume
1	50-100
2	500
3	2,000
4	5,000
5+	Full volume

Prevents spam filtering

Monitor Metrics

Key metrics to watch:

Delivery rate: Should be > 99%
Bounce rate: Should be < 2%
Complaint rate: Should be < 0.1%
Open rate: Industry avg 15-25%
Click rate: Industry avg 2-5%

Red flags:

Sudden delivery drop
High bounce rate spike
Complaint increase

List Hygiene

Keep lists clean:✅ Remove hard bounces immediately ✅ Remove soft bounces after 3 attempts ✅ Sunset unengaged (6+ months no opens) ✅ Honor unsubscribes instantly ✅ Validate emails before addingWhy:

Better deliverability
Lower costs
Maintain reputation
Comply with regulations

Troubleshooting

Connection Failed

Solutions:

Verify API key is correct (no spaces)
Check API key has proper permissions
Ensure domain is verified
Test credentials in ESP dashboard
Check for typos in configuration

Emails Not Delivering

Check:

Domain authentication (SPF, DKIM, DMARC)
Sender reputation
ESP bounce logs
Recipient spam folders
Content spam triggers

Common issues:

Missing DNS records
Sending too fast
High bounce rate
IP reputation problems

High Bounce Rate

Solutions:

Validate email addresses before sending
Remove hard bounces immediately
Check list quality/source
Use double opt-in
Clean old lists

Which ESP Should You Choose?

Choose Migma Sending if...

You want an integrated experience
You need custom domains
You value built-in tracking
You want simple setup

Choose Amazon SES if...

You send high volumes (100K+ emails/month)
Cost is a primary concern
You’re comfortable with AWS
You need maximum scalability

Choose Resend if...

You’re a developer
You want simplicity
You value modern tools
You use React Email

Choose SendGrid if...

You need advanced analytics
Deliverability is critical
You want enterprise features
You need 24/7 support

Choose Brevo if...

You’re a small business
You want all-in-one (email + SMS + CRM)
You need a generous free tier
You want simplicity

Programmatic sending

Send through any connected provider using the SDK, CLI, or MCP server. The providerType parameter selects which provider delivers the message — it defaults to migma (built-in sending). The from address must be from a verified domain.

Migma (default)
Amazon SES
Resend
SendGrid
Mailgun

await migma.sending.send({
  recipientType: 'email',
  recipientEmail: 'sarah@example.com',
  from: 'hello@yourcompany.migma.email',
  fromName: 'Your Company',
  subject: 'Hello',
  template: html,
  projectId: 'proj_123'
});

await migma.sending.send({
  recipientType: 'email',
  recipientEmail: 'sarah@example.com',
  from: 'hello@yourdomain.com',
  fromName: 'Your Company',
  subject: 'Hello',
  template: html,
  projectId: 'proj_123',
  providerType: 'ses'
});

await migma.sending.send({
  recipientType: 'email',
  recipientEmail: 'sarah@example.com',
  from: 'hello@yourdomain.com',
  fromName: 'Your Company',
  subject: 'Hello',
  template: html,
  projectId: 'proj_123',
  providerType: 'resend'
});

await migma.sending.send({
  recipientType: 'email',
  recipientEmail: 'sarah@example.com',
  from: 'hello@yourdomain.com',
  fromName: 'Your Company',
  subject: 'Hello',
  template: html,
  projectId: 'proj_123',
  providerType: 'sendgrid'
});

await migma.sending.send({
  recipientType: 'email',
  recipientEmail: 'sarah@example.com',
  from: 'hello@yourdomain.com',
  fromName: 'Your Company',
  subject: 'Hello',
  template: html,
  projectId: 'proj_123',
  providerType: 'mailgun'
});

See the sending guide and API reference for the full endpoint specification.

Next steps

Sending Domains

Set up custom domains

Klaviyo Integration

Export to Klaviyo

Mailchimp Integration

Export to Mailchimp

Sending Emails

Send to your audience

Need Help?

Join Discord

Get community help

Contact Support

Setup assistance

Email Deliverability Guide

Improve inbox placement

Getting started

Tutorials

Creating emails

Creative Studio

Email Editor

Campaigns

Audience

Sending Domains

Integrations

Advanced features

Comparisons

Case studies

FAQ

Referral Program

About

Legal

​Overview

Migma Sending

Amazon SES

Resend

SendGrid

Brevo (Sendinblue)

​Comparison Table

​Migma Sending

​Features

​Setup Migma Sending

Full Setup Guide

​Amazon SES (Simple Email Service)

​Features

​Setup Amazon SES

​SES Pricing

​Best Practices

​Resend

​Features

​Setup Resend

​Why Resend + Migma?

​Resend Pricing

​SendGrid

​Features

​Setup SendGrid

​SendGrid Features in Migma

​SendGrid Pricing

​Brevo (formerly Sendinblue)

​Features

​Setup Brevo

​Brevo Pricing

​Sending from Migma

​Best Practices

​Troubleshooting

​Which ESP Should You Choose?

Choose Migma Sending if...

Choose Amazon SES if...

Choose Resend if...

Choose SendGrid if...

Choose Brevo if...

​Programmatic sending

​Next steps

Sending Domains

Klaviyo Integration

Mailchimp Integration

Sending Emails

​Need Help?

Join Discord

Contact Support

Email Deliverability Guide

Overview

Comparison Table

Migma Sending

Features

Setup Migma Sending

Amazon SES (Simple Email Service)

Features

Setup Amazon SES

SES Pricing

Best Practices

Resend

Features

Setup Resend

Why Resend + Migma?

Resend Pricing

SendGrid

Features

Setup SendGrid

SendGrid Features in Migma

SendGrid Pricing

Brevo (formerly Sendinblue)

Features

Setup Brevo

Brevo Pricing

Sending from Migma

Best Practices

Troubleshooting

Which ESP Should You Choose?

Programmatic sending

Next steps

Need Help?