# COOP & COEP Issue with opening threads

**URL:** <https://community.hubspot.com/t/coop-coep-issue-with-opening-threads/146583>\
**Category:** Gmail Sales Extension\
**Tags:** sales-email\
**Created:** [February 23, 2026, 8:59pm UTC](https://community.hubspot.com/t/coop-coep-issue-with-opening-threads/146583 "2026-02-23T20:59:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Godavid33](https://avatars.discourse-cdn.com/v4/letter/g/ec9cab/32.png) [@Godavid33](https://community.hubspot.com/u/Godavid33)\
**Post date:** [February 23, 2026, 8:59pm UTC](https://community.hubspot.com/t/coop-coep-issue-with-opening-threads/146583/1 "2026-02-23T20:59:30Z")

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Hi all,

anyone else experiencing this error err\_blocked\_by\_response in chrome when clickign an email link?

We’ve recently configured our DKIM and SPF more properly. I think specifically, specifying \_spf.google.com was what did it as things were working fine before.

We’ve found a workaround - right click the link to copy url, open in new tab, now problem. However, this seems like an issue with the plugin and causes some inconvenience.

[https://web.dev/articles/coop-coep?utm\_source=devtools&utm\_campaign=stable](https://web.dev/articles/coop-coep?utm_source=devtools&utm_campaign=stable)

> **[Google Workspace Updates: Protecting Gmail users from XS-Search with...](https://workspaceupdates.googleblog.com/2025/10/protecting-gmail-users-from-xs-search.html)**

> **[Cross-origin opener policy  |  Chrome Extensions  |  Chrome for Developers](https://developer.chrome.com/docs/extensions/reference/manifest/cross-origin-opener-policy)**
>
> Reference documentation for the cross\_origin\_opener\_policy property of manifest.json.

Hoping some dev from Hubspot can advise. Wasn’t sure entirely what label(s) to use here.

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**Author:** ![STierney](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/stierney/32/186066_2.png) [@STierney](https://community.hubspot.com/u/STierney)\
**Post date:** [February 24, 2026, 12:48am UTC](https://community.hubspot.com/t/coop-coep-issue-with-opening-threads/146583/2 "2026-02-24T00:48:49Z")

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Hey @Godavid33 - thanks for posting in the Community!  
I’d like to tag in some Developer experts to see what insight they may have on this behavior! @Anton, @alyssamwilie, and @evaldas - any thoughts on how to troubleshoot this?  
Shane, Senior Community Moderator