I shipped a SaaS that sent six transactional emails: welcome, password reset, verification, invoice, payment failed, team invite. Every one was a hand-maintained HTML string with inline styles, nested <table> tags for Outlook, and a prefers-color-scheme block I copy-pasted and always got slightly wrong.
Then we switched from Resend to SES for cost. The send code was tangled into the Resend SDK. I touched twelve files. A week later a designer asked to change the button radius across all emails. Twelve files again.
That is the problem @yedoma-labs/tierde-mail solves.
What problem it solves
Before - a password reset email:
