Email

MailSender is a static utility class for sending email via SMTP. It wraps the mailer package.

Import

import 'package:finch/finch_mail.dart';

Sending an Email

bool success = await MailSender.sendEmail(
  from: '[email protected]',
  fromName: 'My App',
  host: env['MAIL_HOST'] ?? 'smtp.example.com',
  port: int.tryParse(env['MAIL_PORT'] ?? '587') ?? 587,
  username: env['MAIL_USER'] ?? '',
  password: env['MAIL_PASS'] ?? '',
  ssl: true,
  allowInsecure: false,
  to: ['[email protected]'],
  subject: 'Welcome to My App',
  html: '<h1>Hello!</h1><p>Your account is ready.</p>',
  text: 'Hello! Your account is ready.',
);

if (!success) {
  Console.e('Failed to send email');
}

`MailSender.sendEmail` Parameters

Parameter	Type	Default	Description
`from`	`String`	required	Sender email address
`fromName`	`String`	`''`	Sender display name
`host`	`String`	`'localhost'`	SMTP server hostname
`port`	`int`	`1025`	SMTP port (typically 465/587)
`username`	`String?`	—	SMTP username
`password`	`String?`	—	SMTP password
`ssl`	`bool`	`true`	Enable SSL/TLS
`allowInsecure`	`bool`	`true`	Allow insecure connection (no SSL)
`to`	`List<String>`	required	Recipient addresses
`subject`	`String`	`''`	Email subject
`html`	`String`	`''`	HTML body
`text`	`String`	`''`	Plain-text body

Controller Example

class HomeController extends Controller {
  Future<String> sendTestEmail() async {
    var email = rq.get<String>('email', def: '');
    if (email.isEmpty) return rq.renderError(400, message: 'Missing email');

    var sent = await MailSender.sendEmail(
      from: '[email protected]',
      host: env['MAIL_HOST'] ?? 'localhost',
      port: int.tryParse(env['MAIL_PORT'] ?? '1025') ?? 1025,
      username: env['MAIL_USER'],
      password: env['MAIL_PASS'],
      ssl: false,
      to: [email],
      subject: 'Test',
      html: '<p>This is a test email from Finch.</p>',
    );

    return rq.renderData(data: {'success': sent});
  }
}

Development Setup

For local development, use MailHog or Mailpit as a local SMTP server:

# Docker
docker run -d -p 1025:1025 -p 8025:8025 axllent/mailpit

Then configure:

MAIL_HOST=localhost
MAIL_PORT=1025

Open http://localhost:8025 in your browser to see captured emails.

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