Symfony Mailer: Love Sending Emails Again

3:19:40

What you'll be learning

This tutorial is built on Symfony 4.3, but will work well with Symfony 4.4 or 5.
// composer.json
{
    "require": {
        "php": "^7.1.3",
        "ext-iconv": "*",
        "aws/aws-sdk-php": "^3.87", // 3.110.11
        "knplabs/knp-markdown-bundle": "^1.7", // 1.7.1
        "knplabs/knp-paginator-bundle": "^2.7", // v2.8.0
        "knplabs/knp-snappy-bundle": "^1.6", // v1.6.0
        "knplabs/knp-time-bundle": "^1.8", // v1.9.1
        "league/flysystem-aws-s3-v3": "^1.0", // 1.0.23
        "league/flysystem-cached-adapter": "^1.0", // 1.0.9
        "league/html-to-markdown": "^4.8", // 4.8.2
        "liip/imagine-bundle": "^2.1", // 2.1.0
        "nexylan/slack-bundle": "^2.1,<2.2.0", // v2.1.0
        "oneup/flysystem-bundle": "^3.0", // 3.1.0
        "php-http/guzzle6-adapter": "^1.1", // v1.1.1
        "sensio/framework-extra-bundle": "^5.1", // v5.4.1
        "stof/doctrine-extensions-bundle": "^1.3", // v1.3.0
        "symfony/asset": "^4.0", // v4.3.4
        "symfony/console": "^4.0", // v4.3.4
        "symfony/flex": "^1.0", // v1.6.2
        "symfony/form": "^4.0", // v4.3.4
        "symfony/framework-bundle": "^4.0", // v4.3.4
        "symfony/mailer": "4.3.*", // v4.3.4
        "symfony/messenger": "4.3.*", // v4.3.4
        "symfony/orm-pack": "^1.0", // v1.0.6
        "symfony/security-bundle": "^4.0", // v4.3.4
        "symfony/sendgrid-mailer": "4.3.*", // v4.3.4
        "symfony/serializer-pack": "^1.0", // v1.0.2
        "symfony/twig-bundle": "^4.0", // v4.3.4
        "symfony/twig-pack": "^1.0", // v1.0.0
        "symfony/validator": "^4.0", // v4.3.4
        "symfony/web-server-bundle": "^4.0", // v4.3.4
        "symfony/webpack-encore-bundle": "^1.4", // v1.6.2
        "symfony/yaml": "^4.0", // v4.3.4
        "twig/cssinliner-extra": "^2.12", // v2.12.0
        "twig/extensions": "^1.5", // v1.5.4
        "twig/inky-extra": "^2.12" // v2.12.0
    },
    "require-dev": {
        "doctrine/doctrine-fixtures-bundle": "^3.0", // 3.2.2
        "easycorp/easy-log-handler": "^1.0.2", // v1.0.7
        "fzaninotto/faker": "^1.7", // v1.8.0
        "symfony/browser-kit": "4.3.*", // v4.3.5
        "symfony/debug-bundle": "^3.3|^4.0", // v4.3.4
        "symfony/dotenv": "^4.0", // v4.3.4
        "symfony/maker-bundle": "^1.0", // v1.13.0
        "symfony/monolog-bundle": "^3.0", // v3.4.0
        "symfony/phpunit-bridge": "^3.3|^4.0", // v4.3.4
        "symfony/profiler-pack": "^1.0", // v1.0.4
        "symfony/var-dumper": "^3.3|^4.0" // v4.3.4
    }
}

Yep! No matter how hard you try, eventually you will need to send emails from your app! Whether it's a "registration" email, "order completed" email or a "Hey, we think you're great & want to give you a free 🎂" email, setting this up doesn't need to be a pain! With Symfony's Mailer component & cloud email delivery services... I dare say, you're going to love sending emails.

In this tutorial, we'll give your emails something to brag about by mastering Symfony's Mailer:

  • Installing & configuring the mailer transport
  • Sending that first email and configuring the heck out of it!
  • Debugging emails while developing? Hello Mailtrap, MailHog & Mailcatcher!
  • HTML emails with Twig
  • Automatic text emails
  • Linking to images from within an email vs embedded images
  • Styling with CSS with automatic CSS inlining
  • Integrating the Foundation CSS framework for emails: Inky!
  • Leveraging event listeners to globally customize from, senders, etc
  • Sending emails from a command (and fixing link URLs)
  • Email attachments
  • Sending emails from inside of tests (the null transport)
  • Async email sending with Messenger
  • Failover & round robin transports
  • Production cloud delivery setup with SendGrid
  • DNS "deliverability" goodies - SPF, DKIM & DMARC!

So... let's send some emails, make them look great and love the process.


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Victor Bocharsky Ryan Weaver

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