Blog
Discover the latest guides, tutorials, and announcements from our team.
Email testing 101
Explore different types of email testing, how to get started, and best practices to follow.
9min read
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What is SMTP, and how does it work?
Complete SMTP guide—understand how SMTP works, key commands and ports, and sending emails via SMTP servers or third-party email services.
9min read
Email size limit guide
Understand email size limits, their impact on deliverability, and how to send lightweight, well-formatted emails.
9min read
Email testing in PHP
Test email delivery and content in your PHP app using testmail.app—catch spam issues, extract links, and verify attachments.
14min read
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