# Notes on deliverability, templates, and the API.

URL: https://samva.dev/blog

Field notes on shipping email: webhooks, bounces, and the parts of the API that don't show up in the quickstart.

Browse

- [#BIMI](https://samva.dev/blog/tags/BIMI)
- [#announcements](https://samva.dev/blog/tags/announcements)
- [#compliance](https://samva.dev/blog/tags/compliance)
- [#deliverability](https://samva.dev/blog/tags/deliverability)
- [#email](https://samva.dev/blog/tags/email)
- [#email-authentication](https://samva.dev/blog/tags/email-authentication)
- [#transactional](https://samva.dev/blog/tags/transactional)
- [#troubleshooting](https://samva.dev/blog/tags/troubleshooting)

- [Why Copy-Paste DNS Records Stall Domain Setup](https://samva.dev/blog/why-dns-record-instructions-stall-domain-setup): Latest
   
   Oct 5, 2026
   
   Copy-paste DNS records stall email domain setup through registrar field quirks, long DKIM values, and silent waits. See how a connected provider avoids them.
   
   Read post
- [Email bounce back: causes and how to fix them](https://samva.dev/blog/email-bounce-back): deliverability
   
   Sep 8, 2026
   
   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
- [Why are my emails going to spam? How to fix it](https://samva.dev/blog/emails-going-to-spam): deliverability
   
   Sep 8, 2026
   
   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
- [What Is an Email Suppression List? How It Works](https://samva.dev/blog/what-is-an-email-suppression-list): deliverability
   
   Sep 8, 2026
   
   Understand why email addresses are suppressed, how suppression differs from unsubscribe, and what to check before removing a block.
   
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- [Introducing the email API for your app](https://samva.dev/blog/welcome): announcements
   
   Sep 7, 2026
   
   Send product email, edit email templates, and handle replies in your application. Get started with Samva’s API, dashboard, and guides.
   
   Read post
- [How to Warm Up a New Email Domain: A Schedule](https://samva.dev/blog/warm-up-a-new-sending-domain): deliverability
   
   Sep 5, 2026
   
   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
- [Gmail BIMI Logos and Verified Checkmarks](https://samva.dev/blog/gmail-bimi-brand-logo-verified-checkmark): deliverability
   
   Aug 24, 2026
   
   Learn what Gmail requires for BIMI brand logos, why its verified checkmark needs a VMC, and how to troubleshoot DNS, SVG, and certificate evidence.
   
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- [Gmail and Yahoo Bulk Sender Rules, Explained](https://samva.dev/blog/one-click-unsubscribe-rfc-8058): compliance
   
   Jul 7, 2026
   
   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.
   
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- [Transactional vs Marketing Email Explained](https://samva.dev/blog/transactional-vs-marketing-email): transactional
   
   Jul 7, 2026
   
   What separates transactional from marketing email, and why the split shapes consent, deliverability reputation, sending domains, and suppression lists.
   
   Read post