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Transactional Email Deliverability Recovery

Subscription Product • 4-week sprint

Recovered sender reputation and inbox placement for critical transactional emails through authentication hardening and sending-domain strategy.

Inbox Placement
71% → 96%
Complaint Rate
-58%
Support Tickets (Email)
-41%

Challenge

Password resets and onboarding emails were landing in spam, causing onboarding drop-offs and customer complaints.

Approach

  • Rebuilt SPF/DKIM/DMARC alignment and segmented transactional traffic.
  • Optimized domain/IP warmup sequence with list hygiene controls.
  • Set up monitoring for bounce, complaint, and inbox placement trends.

Outcome

Critical product emails recovered inbox consistency, reducing user friction and support overhead from delivery failures.

Sarkar Ripon

Case Study by

Sarkar Ripon

AWS Certified Solutions Architect and Web Development Consultant

About I work with teams to deliver reliable cloud, automation, and email systems with clear execution plans and measurable outcomes.