Postmark -

As postal services adapt to declining letter volumes and rising operational costs, the traditional postmark faces challenges.

Deliverability is an engineering and product problem, not just a marketing checkbox. Using a provider designed for transactional mail, like Postmark, plus following authentication, list hygiene, and monitoring best practices, will reduce friction and build trust with users. Prioritize deliverability from day one—your users, support team, and revenue will thank you. postmark

Collectors look for specific variations in postmarks, including: As postal services adapt to declining letter volumes