Deliverability insights,
tutorials and product updates
Engineering deep-dives, best practices, and product notes from the MailsSetu team.
How to Improve Email Deliverability: The Complete 2025 Guide
Inbox placement isn't luck - it's engineering. We break down SPF, DKIM, DMARC, bounce handling, and sender reputation so transactional email lands where it should.
Build Beautiful Emails with React Email + MailsSetu
React Email gives teams a component-based template workflow. The safest pattern is to render server-side and send the final HTML through MailsSetu.
DKIM, DMARC, and SPF Explained - Without the RFC Jargon
Three authentication standards drive inbox trust. This guide explains what they really do and the DNS mistakes that hurt teams most often.
Why Indian Startups Deserve a Rupee-Priced Email API
FX friction, GST handling, and invoice quality all matter in real buying decisions. Local developer infrastructure should reflect how Indian teams actually operate.
Transactional vs Marketing Email: Why the Difference Matters
Mixing OTPs and newsletters under one reputation bucket is usually a mistake. Separation is one of the simplest ways to protect critical email.
Build Real-Time Email Dashboards with MailsSetu Webhooks
Webhook events are what turn email from a black box into an observable system. Good event handling makes support and debugging much faster.
Keep reading by topic
If you are evaluating MailsSetu for a real product stack, pair the articles below with the core docs and intent pages most relevant to transactional email APIs and SMTP operations.
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