How to Send Emails in Laravel: A Complete SMTP & Email API Guide

Laravel’s mail system, built on Symfony Mailer, supports SMTP, APIs, templates, plain-text and HTML messages, attachments, embedded images, localization, previews, and asynchronous queues, with configuration primarily managed through the mail configuration file and environment variables. The guide demonstrates using Mailtrap’s Transactional Stream through SMTP by verifying a sending domain, adding credentials, creating mailable classes and Blade views, setting sender details, and dispatching messages through Laravel’s Mail facade. It also covers personalizing content, sending to multiple recipients with CC and BCC fields, adding file attachments and inline images, and improving performance through queue workers. For high-volume campaigns, Mailtrap’s Bulk Stream can be configured with looping, chunked recipient processing, rate limits, delays, and queued jobs. As an alternative to SMTP, the Mailtrap API can be integrated through its PHP SDK and Laravel transport, enabling transactional email delivery with custom headers, categories, variables, reply-to addresses, attachments, and tracking analytics.

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