mailzy - managed outbound infrastructure
Copy & campaign builders

Unsubscribe Header Generator

Generate compliant List-Unsubscribe and one-click headers plus opt-out footer wording for cold outreach.

All free toolsFree · nothing stored

Configure

One-click unsubscribe is required by Google and Yahoo for bulk senders, and it protects your domain either way.

Headers

Add these to every send in your sequencer's custom header settings.

SMTP headers
List-Unsubscribe: <mailto:unsubscribe@yourdomain.com?subject=unsubscribe>

Footer line

Email footer
If this isn't relevant, just reply "no thanks" and I won't follow up.

Keep it compliant

Honour opt-outsWithin 10 business days under CAN-SPAM, immediately in practice.
Physical addressRequired by CAN-SPAM in commercial email.
No misleading headersFrom, Reply-To and subject must be accurate.
EU / UKGDPR needs a lawful basis; keep records of your legitimate-interest assessment.

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