Hi HubSpot Community,
First, please note: I’m posting from a different account, because the affected user account is the one that’s locked out and I couldn’t sign in to the Community with it. The details below are about that other user account, and I can share its email address, portal ID, and ticket details with a Community Manager via DM.
The affected user has been completely locked out for a full week because the login verification code email never arrives, and I’d really appreciate help from a Community Manager (@DianaGomez @Jaycee_Lewis or others 
) — I believe this needs a backend fix on HubSpot’s side. We have also been following up with HubSpot Support on an open ticket , but the issue remains unresolved, which is why I’m raising it here as well.
Also, sometimes it logs in for 2 mins then it locks us out again immediately and stops receiving codes.
What makes this case unusual is that we’ve collected full diagnostics, and everything points to the verification emails never leaving HubSpot’s system:
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A HAR file captured on the login page shows the verification-code requests returning HTTP 201 — HubSpot accepts the request every time.
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We are Google Workspace admins, and Email Log Search on our domain shows ZERO inbound delivery attempts for any verification code email. They’re not in spam, junk, or quarantine — they never reach our mail server at all.
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Crucially, OTHER HubSpot emails DO arrive at the same address without any problem — support ticket replies and marketing emails were delivered today. Only the verification code emails (from noreply@hubspot) are missing. From reading similar threads here, this looks exactly like the known issue where an address ends up on the bounce/suppression list for system emails and needs to be “unbounced” by HubSpot staff.
What we’ve already tried:
- Checked all folders plus admin-level Google Workspace quarantine
- Allowlisted noreply@hubspot, security@hubspot, and hubspot as approved senders (spam bypass) in Workspace
- Confirmed no blocked-sender rules for HubSpot on our domain
- Requested/resent the code many times over the week
- Multiple browsers (Chrome, Edge, Safari), incognito mode, cleared cache/cookies
- Multiple devices (two laptops and a phone) and multiple networks in different cities
- CDN trace and traceroute to the EU1 login domain are both clean — no network issues
This is also not a one-off: the same lockout problem keeps recurring for other users on our company domain as well, so beyond unblocking the affected address, we’d really appreciate a look at whether our whole domain is affected, and to resolve this issue permanently if possible.
A week of lockout is seriously hurting our operations — any help would be hugely appreciated. Thank you!