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Scaleway is a European cloud computing platform that offers transactional email services. It provides reliable email delivery with a focus on data sovereignty and privacy.

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Installation

1

Install dependencies

Install React Email components and the Scaleway SDK:
npm install react-email @react-email/components @scaleway/sdk
2

Set up your credentials

Get your credentials from Scaleway and add them to your environment variables:
ACCESS_KEY=your-access-key
SECRET_KEY=your-secret-key
PROJECT_ID=your-project-id

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Usage

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Create an email component

emails/email.tsx
import { Button, Html } from '@react-email/components';

interface EmailProps {
  url: string;
  username: string;
  teamName: string;
  invitedByUsername: string;
  invitedByEmail: string;
}

export const Email: React.FC<Readonly<EmailProps>> = ({
  url,
  username,
  teamName,
  invitedByUsername,
  invitedByEmail,
}) => {
  return (
    <Html lang="en">
      <h1>Welcome to {teamName}</h1>
      <p>
        {invitedByUsername} ({invitedByEmail}) has invited you to join {teamName}.
      </p>
      <Button href={url}>Accept invitation</Button>
    </Html>
  );
};

​
Send the email

index.tsx
import { render } from '@react-email/components';
import { createClient, TransactionalEmail } from '@scaleway/sdk';
import { Email } from './email';

const client = createClient({
  accessKey: process.env.ACCESS_KEY,
  secretKey: process.env.SECRET_KEY,
  defaultProjectId: process.env.PROJECT_ID,
  defaultRegion: 'fr-par',
  defaultZone: 'fr-par-1',
});

const transactionalEmailClient = new TransactionalEmail.v1alpha1.API(client);

const emailHtml = await render(
  <Email
    invitedByEmail="sender@example.com"
    invitedByUsername="Alice"
    teamName="Acme Corp"
    url="https://www.example.com/join"
    username="Bob"
  />,
);

await transactionalEmailClient.createEmail({
  from: {
    email: 'noreply@yourdomain.com',
    name: 'Your Company',
  },
  to: [
    {
      email: 'user@example.com',
      name: 'Bob',
    },
  ],
  subject: 'You have been invited to join a team',
  text: '',
  html: emailHtml,
});

​
Advanced features

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Multiple recipients

await transactionalEmailClient.createEmail({
  from: {
    email: 'noreply@yourdomain.com',
    name: 'Your Company',
  },
  to: [
    {
      email: 'user1@example.com',
      name: 'User One',
    },
    {
      email: 'user2@example.com',
      name: 'User Two',
    },
  ],
  subject: 'Hello',
  text: '',
  html: emailHtml,
});

​
CC and BCC

await transactionalEmailClient.createEmail({
  from: {
    email: 'noreply@yourdomain.com',
    name: 'Your Company',
  },
  to: [
    {
      email: 'user@example.com',
      name: 'User',
    },
  ],
  cc: [
    {
      email: 'cc@example.com',
    },
  ],
  bcc: [
    {
      email: 'bcc@example.com',
    },
  ],
  subject: 'Hello',
  text: '',
  html: emailHtml,
});

​
Plain text version

import { render } from '@react-email/components';

const emailHtml = await render(<Email {...props} />);
const emailText = await render(<Email {...props} />, {
  plainText: true,
});

await transactionalEmailClient.createEmail({
  from: {
    email: 'noreply@yourdomain.com',
    name: 'Your Company',
  },
  to: [
    {
      email: 'user@example.com',
      name: 'User',
    },
  ],
  subject: 'Hello',
  text: emailText,
  html: emailHtml,
});

​
Attachments

import fs from 'fs';

const attachment = fs.readFileSync('/path/to/file.pdf').toString('base64');

await transactionalEmailClient.createEmail({
  from: {
    email: 'noreply@yourdomain.com',
    name: 'Your Company',
  },
  to: [
    {
      email: 'user@example.com',
      name: 'User',
    },
  ],
  subject: 'Document attached',
  text: '',
  html: emailHtml,
  attachments: [
    {
      name: 'document.pdf',
      type: 'application/pdf',
      content: attachment,
    },
  ],
});

​
Regions

Scaleway operates in multiple regions. You can specify your preferred region: 
const client = createClient({
  accessKey: process.env.ACCESS_KEY,
  secretKey: process.env.SECRET_KEY,
  defaultProjectId: process.env.PROJECT_ID,
  defaultRegion: 'fr-par', // Paris, France
  defaultZone: 'fr-par-1',
});
Available regions:
  • fr-par - Paris, France
  • nl-ams - Amsterdam, Netherlands
  • pl-waw - Warsaw, Poland

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Error handling

try {
  const response = await transactionalEmailClient.createEmail(params);
  console.log('Email sent:', response);
} catch (error) {
  console.error('Scaleway error:', error);
}

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Important notes

  • European focus: Scaleway is based in Europe and focuses on data sovereignty
  • Domain verification: Verify your sending domain in the Scaleway console
  • v1alpha1 API: The API is currently in alpha, so features may change

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