Blog

Why Is My Email Going to Spam? The 2026 Technical Guide to Fixing Email Deliverability

Email deliverability is crucial for ensuring that emails reach the inbox rather than the spam folder. Key factors affecting deliverability include using separate subdomains for different email types, proper email authentication (SPF, DKIM, DMARC), maintaining a good sender reputation, and ensuring high engagement rates. Additionally, employing double opt-in for subscriptions, using validated HTML structures, and avoiding shared tracking domains can significantly enhance deliverability. Tools like Google Postmaster and Mail-Tester can help monitor and improve email performance.

April 8, 2026 • subhendu singh

Better Auth + Shootmail - Send custom emails on authentication events

Better Auth is a TypeScript framework for authentication that requires email notifications for various events. Shootmail integrates with Better Auth to automate sending beautiful emails for actions like signup confirmation, password resets, and organization invitations.

April 24, 2025 • subhendu singh

Supabase custom email templates for authentication flows with Shootmail email template builder

Customize Supabase email templates for authentication flows using variables for dynamic content. Use Shootmail email template builder for easy template creation and integration with Supabase, ensuring professional branding in user communications.

April 16, 2025 • subhendu singh

Shootmail + Resend - Build and send beautiful Resend email templates

Shootmail simplifies designing beautiful emails with user-friendly email templates, while Resend ensures reliable delivery, making it easy for businesses to create Resend email templates and send without hassle.

April 11, 2025 • subhendu singh

Build Automated Email Sequences - Shootmail + Upstash Workflow (For Devs)

Developers can automate email marketing! Learn to build robust email sequences and drip campaigns using Shootmail's email templates & Upstash Workflow for reliable, scalable automation.

February 27, 2025 • subhendu singh

The 5 Key Differences Between Good and Great Email Designs

Effective email design combines aesthetics with functionality, focusing on layout, visuals, typography, personalization, and mobile optimization to engage recipients and enhance brand identity. Great designs utilize advanced techniques like dynamic content and interactivity to create memorable user experiences.

January 14, 2025 • subhendu singh

How Shootmail became product of the day on product hunt, my strategy.

I am sharing the strategy I followed that rocketed Shootmail to become product of the day on Product Hunt and product of the week in the design tools category.

November 13, 2024 • subhendu singh

10 High-Converting Email Templates Every Solo Entrepreneur Needs - From Welcome Emails to Product Launches

Discover 10 high-converting email templates every solo entrepreneur needs. From welcome emails to product launches, learn how to craft effective emails that drive results. Start optimizing your email marketing today!

October 12, 2024 • subhendu singh

Local First Development with Replicache - Building smooth user experiences

Build UI without spinners. Enable offline first and best user experience by adopting local first development paradigm. Here I try to explain how to implement replicache in your web applications for a smooth user experience.

September 20, 2024 • subhendu singh

How does Shootmail handle security?

Shootmail handles security by monitoring bounce and complaint rates, following email security best practices, isolating bad actors to prevent reputation impact, and separating marketing and transactional emails. Shootmail also ensures safe landing of emails, verifies domains with SPF, DKIM, and DMARC records, handles noisy neighbors through separate configuration sets, and preserves self reputation by separating transactional and marketing emails.

July 24, 2024 • subhendu singh