Blog | mailkubehttps://mailkube.com/blog/Guides, tutorials and product news for developers who send emails. Deliverability explained, integrations walked through, and what changed in mailkube.Hugoen-USFri, 25 Sep 2026 00:00:00 +0000How to use your logo in the From addresshttps://mailkube.com/blog/bimi-logo-inbox/Fri, 25 Sep 2026 00:00:00 +0000https://mailkube.com/blog/bimi-logo-inbox/How BIMI puts your logo beside your sender name, what DMARC and SVG requirements gate it, and which mailbox providers need a paid certificate.guideReporting a security vulnerability to mailkubehttps://mailkube.com/blog/security-disclosure-program/Tue, 25 Aug 2026 00:00:00 +0000https://mailkube.com/blog/security-disclosure-program/How to report a security vulnerability to mailkube, the safe harbour that protects the research, and where we stand on the EU Cyber Resilience Act.newsSend email from a serverless functionhttps://mailkube.com/blog/send-email-serverless/Tue, 18 Aug 2026 00:00:00 +0000https://mailkube.com/blog/send-email-serverless/Send email from a serverless function on AWS Lambda, Google Cloud Functions, Azure Functions or Cloudflare Workers, with working code for each one.guideSend email from Express, Fastify, Next.jshttps://mailkube.com/blog/send-email-node-frameworks/Tue, 18 Aug 2026 00:00:00 +0000https://mailkube.com/blog/send-email-node-frameworks/Send email from a Node.js server: Express and Fastify routes, Next.js App Router handlers, NestJS providers, and webhook receivers that verify.guideWhy we built mailkubehttps://mailkube.com/blog/why-we-built-mailkube/Mon, 17 Aug 2026 00:00:00 +0000https://mailkube.com/blog/why-we-built-mailkube/Email is core infrastructure, and most platforms treat it as a marketing channel with an API attached. Here is what the other view forced us to build.newsSPF, DKIM and DMARC: what each proveshttps://mailkube.com/blog/spf-dkim-dmarc/Wed, 12 Aug 2026 00:00:00 +0000https://mailkube.com/blog/spf-dkim-dmarc/How the three email authentication standards work together, what each record actually proves, and where each DNS entry belongs before your first send.guideSend your first email from Node.jshttps://mailkube.com/blog/send-email-node-js/Wed, 05 Aug 2026 00:00:00 +0000https://mailkube.com/blog/send-email-node-js/Send email from Node.js with the mailkube SDK. Install it, set your API key, and send a real transactional message in about four minutes.tutorialMessage tags and topics are generally availablehttps://mailkube.com/blog/message-tags-and-topics/Thu, 30 Jul 2026 00:00:00 +0000https://mailkube.com/blog/message-tags-and-topics/Email message tags label any send with your own metadata, topics decide who receives it, and both break down on your sending dashboard.news