SendGrid ``composer require symfony/sendgrid-mailer``

Sendinblue ``composer require symfony/sendinblue-mailer``

OhMySMTP ``composer require symfony/oh-my-smtp-mailer``

Infobip ``composer require symfony/infobip-mailer``

..versionadded::6.1

The Infobip integration was introduced in Symfony 6.1.

Each library includes a:ref:`Symfony Flex recipe<symfony-flex>` that will add

a configuration example to your ``.env`` file. For example, suppose you want to

use SendGrid. First, install it:

Sendgrid sendgrid+smtp://KEY@default n/a sendgrid+api://KEY@default

Sendinblue sendinblue+smtp://USERNAME:PASSWORD@default n/a sendinblue+api://KEY@default

OhMySMTP ohmysmtp+smtp://API_TOKEN@default n/a ohmysmtp+api://API_TOKEN@default

Infobip infobip+smtp://KEY@default n/a infobip+api://KEY@BASE_URL

..caution::