List-Unsubscribe Header: Definition, Syntax, and Deliverability
Learn what the List-Unsubscribe header is, how RFC 2369 and RFC 8058 syntax works, and why one-click opt-outs protect email deliverability.
Oct 21, 202620 min read
Unsubscribe
14 articles on unsubscribe.
Email Opt-Out: Definition, Deliverability, and Best Practices
Email opt-out explained: learn unsubscribe requirements, calculate opt-out rate, diagnose spikes, and protect campaign deliverability.
Oct 21, 202621 min read
List Unsubscribes: How to Implement One-Click Opt-Outs
Implement the List-Unsubscribe header and RFC 8058 one-click POST flow, honor opt-outs quickly, and test every campaign for compliant delivery.
Oct 18, 202621 min read
RFC 8058 One-Click Unsubscribe: Why GET Can Break Your Email List
Implement RFC 8058 one-click unsubscribe safely: why GET requests cause accidental opt-outs, how POST works, and how to secure your endpoint.
Oct 15, 202622 min read
Email Compliance: What It Means for Senders and Deliverability
Learn what email compliance means, which legal and mailbox-provider rules apply, how it affects deliverability, and how to build a compliant program.
Sep 11, 202622 min read
Cancelación de suscripción por email: qué es y cómo gestionarla
Aprende qué es la cancelación de suscripción por email, cómo medir la tasa de bajas y cómo reducirla sin perjudicar la entrega.
Sep 3, 202623 min read
Annullamento dell’iscrizione email: guida a unsubscribe e deliverability
Scopri cos’è l’annullamento dell’iscrizione email, come misurarlo, perché protegge la deliverability e come rendere semplice l’unsubscribe.
Aug 30, 202618 min read
Unsubscribe Rate: What It Means and How to Reduce It
Learn what unsubscribe rate means, how to calculate it, why it affects email performance, and practical ways to reduce campaign opt-outs.
Aug 29, 202624 min read
Preference Center: Definition, Deliverability Impact, and Best Practices
Learn what an email preference center is, why it protects deliverability, and how to build subscription controls recipients actually use.
Aug 28, 202624 min read
Email Footer: What It Is and Why It Matters for Deliverability
Learn what an email footer is, what it must include, and how clear unsubscribe and identity details protect deliverability and campaign results.
Aug 25, 202622 min read
Managing Your Own Unsubscribe Process: A Developer Guide
Learn how to manage your own unsubscribe process with signed links, suppression data, one-click headers, testing, and compliance safeguards.
Aug 16, 202620 min read
How to Include a List-Unsubscribe Header (RFC 8058)
Learn how to add a List-Unsubscribe header and RFC 8058 one-click POST endpoint, test it, and avoid delivery and compliance mistakes.
Aug 16, 202618 min read
How to Add an Unsubscribe Link to Email (Code + Headers)
Learn how to add an unsubscribe link to email with a compliant footer, List-Unsubscribe headers, one-click POST endpoint, testing steps, and safeguards.
Aug 16, 202623 min read
Should You Add an Unsubscribe Link? A Developer’s Guide to Email Types, Compliance, and Deliverability
Should you add an unsubscribe link? Learn which emails need one, how to implement one-click headers, protect deliverability, and honor opt-outs.
Aug 12, 202619 min read