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How we improved unsubscribe links to boost your deliverability

calendar_today January 29, 2026 person Postmark team (fdossetto+postmark@activecampaign.com) domain postmark

If you’ve been sending emails for a while, you know that deliverability can feel like a moving target. Inbox providers are constantly tweaking their rules, and what worked yesterday might cause problems tomorrow. Recently, we made some behind-the-scenes improvements to how Postmark generates unsubscribe links.

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