Matt Stauffer has a post to his site for the Laravel users out there wanting to seed "transactional emails" from their applications. In this tutorial he shows you how to use the SparkPost service to send emails with very little effort.

Recently, Mandrill announced that they'd be sunsetting their transactional email service and instead rolling it in to a secondary service for paid MailChimp users. That's fine for them, but many of us were using it for small one-off apps and weren't interested in all of a sudden paying money to send 100 emails a month.

[...] But right when Mandrill announced their pricing change, a new transactional email provider came out of nowhere: SparkPost. [...] So let's walk through the process of signing up and moving Giscus, my app for notifying you of comments on your gists, from Mandrill to SparkPost.

First he walks you through the process of getting a SparkPost account set up and configured to receive messages from your application. He then moves over to the Laravel side, upgrades his installed version and configures it with the "secret" value SparkPost provides and changes the MAIL_DRIVER value - that's basically it.. He also includes some screenshots of other parts of the SparkPost admin interface to show some of the other functionality included.