Notes on deliverability, templates, and the API.
Field notes on shipping email: webhooks, bounces, and the parts of the API that don't show up in the quickstart.
- deliverability
Email bounce back: causes and how to fix them
Why an email bounces back, how to tell a hard bounce from a soft one by its SMTP code, and what to do next, including how Samva suppresses bad addresses.
Read post - deliverability
Why are my emails going to spam? How to fix it
Why emails go to spam and how to fix it: tell delivery failures from spam placement, then check authentication, bulk-sender rules, audience, and content.
Read post - deliverability
What Is an Email Suppression List? How It Works
Understand why email addresses are suppressed, how suppression differs from unsubscribe, and what to check before removing a block.
Read post - announcements
Introducing the email API for your app
Send product email, edit email templates, and handle replies in your application. Get started with Samva’s API, dashboard, and guides.
Read post - deliverability
How to Warm Up a New Email Domain: A Schedule
Learn how to warm up a new email domain, build an email warmup schedule, and monitor sender reputation before increasing your sending volume.
Read post - deliverability
Gmail BIMI Logos and Verified Checkmarks
Learn what Gmail requires for BIMI brand logos, why its verified checkmark needs a VMC, and how to troubleshoot DNS, SVG, and certificate evidence.
Read post - compliance
Gmail and Yahoo Bulk Sender Rules, Explained
What Gmail and Yahoo require from bulk senders, and how to set the List-Unsubscribe headers and POST endpoint for RFC 8058 one-click unsubscribe.
Read post - transactional
Transactional vs Marketing Email Explained
What separates transactional from marketing email, and why the split shapes consent, deliverability reputation, sending domains, and suppression lists.
Read post
