While Salesforce’s testing capabilities are sufficient for running small deliverability tests or previewing your emails, they may not be enough for inspecting and debugging emails in detail. Plus, some methods may bear the risk of spamming contacts with test emails. 

That’s where Mailtrap Email Testing comes into play. And today, we’ll teach you how to execute various tests in Salesforce using Mailtrap. 

A developer can’t code an HTML email template using the same technologies and approaches as one would when building a web page. It may sound ridiculous, but it’s the truth. So, let’s try to figure out how valid this statement is.

PHP has multiple options for sending HTML emails: the PHP mail() function, PHPMailer, or SymfonyMailer. However, the latter two are the more popular and recommended options.

Why? Because the PHP mail() function has multiple limitations, including the inability to add attachments or send emails using the SMTP server. I’ll be diving into more details on the limitations below. 

In this tutorial, I’ll show you how to build and send HTML emails in PHP using the mail() function, PHPMailer, and SymfonyMailer. I’ll also show you how to leverage Mailtrap’s SDK to send beautiful HTML emails in PHP. Let’s go!