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How to improve email deliverability and avoid Gmail Spam & Promo tab placement in 2026?

Email Marketing & Sequences · 2 saved versions

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Version 1 (Edit)

Edited by Aravind Patel · Aug 23, 2026 5:28 PM

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Title snapshot

How to improve email deliverability and avoid Gmail Spam & Promo tab placement in 2026?

Summary snapshot
Configuring SPF, DKIM, DMARC, list hygiene protocols, and text-to-image ratio rules.
Content snapshot
### Deliverability Checklist 1. Authenticate domain with strict SPF, DKIM, and DMARC policies. 2. Keep image-to-text ratio under 20%. 3. Automatically purge inactive subscribers who haven't opened emails in 90 days.
Source snapshot

https://developers.google.com/search/docs

Version 1 (Original Post)

Published by Aravind Patel · Aug 9, 2026 5:37 AM

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Post originally created and published to the Global Hub.

Original Title

How to improve email deliverability and avoid Gmail Spam & Promo tab placement in 2026?

Original Summary
Configuring SPF, DKIM, DMARC, list hygiene protocols, and text-to-image ratio rules.
Original Content
### Deliverability Checklist 1. Authenticate domain with strict SPF, DKIM, and DMARC policies. 2. Keep image-to-text ratio under 20%. 3. Automatically purge inactive subscribers who haven't opened emails in 90 days.
Original Sources

https://developers.google.com/search/docs