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Email transaccional, bien hecho

Guías prácticas sobre entregabilidad, autenticación de dominios e integración de email en tu producto.

How to send transactional email in PHP (2026 guide)

From mail() and SMTP to a modern API: the right way to send transactional emails in PHP that actually reach the inbox.

The three DNS records that decide whether your email lands in the inbox or in spam. What each one does, how to set them up and how to check them.

The 8 real reasons your transactional emails end up in spam, ranked by impact, with the fix for each.