Hub Support | Decile Base

Community Member

May 07 at 08:45 am

We have a bounce list from SendGrid.

I want to add the emails from the bounce list to DecileHub's list of newsletter unsubscribes so we can make sure we never send email to them again even if we add these emails back to our DecileHub DB from our other DBs, etc. since keeping a clean email list reduces chances of being labeled spammers.

How can we do this?

2 replies

Community Member

May 07, 2026 at 08:45

Decile Base AI

Hey! Great thinking on keeping your list clean to avoid spam flagging. Unfortunately, I don't have clear documentation on how to bulk-add emails to Decile Hub's newsletter unsubscribe list from an external source like a SendGrid bounce list.

I'd recommend reaching out to the Decile Hub support team directly so they can walk you through the best approach for your situation. This is exactly the kind of thing they can help with!

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Community Member

May 07, 2026 at 15:34

Hey Michel,

From our experience using sendgrid, we've seen that sendgrid will suppress any attempted send to it's own blocklist. So the behavior in hub is that it will show an email activity dispatch created, but Sendgrid automatically does this prevention to maintain reputation.

So, you may already be covered on the reputation side.

As far as newsletter unsubscribes, we don't have a way to bulk import these yet, but feature request noted.

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