Blog
Insights on email delivery, developer tools, and marketing automation.
Paulo Castellano·Sendkit vs Postmark: which email platform should you choose?
An honest comparison of Sendkit and Postmark — deliverability, pricing, features, and developer experience.
Paulo Castellano·The email glossary every developer needs bookmarked
A plain-language reference for every email term you'll encounter, from SPF records to bounce rates to SMTP handshakes.
Sendkit Team·How to validate email addresses before sending
Learn to validate email addresses with syntax checks, MX lookups, disposable detection, and SMTP verification to cut bounces and protect sender reputation.
Sendkit Team·SMTP vs email API: which should you use?
Compare SMTP and email APIs for sending transactional email. Learn when each approach makes sense, with code examples for both.
Vanessa Lozzardo·How to send email with Laravel using the Sendkit API
Set up Sendkit in your Laravel app with the official package. Covers Mailables, notifications, queuing, and error handling.
Paulo Castellano·How to build a welcome email sequence that converts
Design a 5-email welcome sequence with the right timing, content strategy, and infrastructure to turn signups into active users.
Vanessa Lozzardo·How to set up DMARC, DKIM, and SPF for your domain
Step-by-step guide to configuring SPF, DKIM, and DMARC DNS records for your domain to improve email deliverability and prevent spoofing.
Vanessa Lozzardo·How to send email with Elixir using an API or SMTP
Send email from Elixir apps using the Sendkit SDK. Covers setup, HTML email, error handling, SMTP, and production tips.
Sendkit Team·How to send transactional email with Rust using an API
Send email from Rust apps using the Sendkit SDK. Covers setup, async sending, HTML email, error handling, and SMTP relay.