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Login verification code never arrives for one user (free account) – possible suppression list?

  • October 14, 2026
  • 2 replies
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Hi Box Community team,

One user on our free Box account can't log in because the verification code email never arrives. Nobody else in our organization is affected.

What we've checked:
- Junk/spam folder and quarantine: nothing there
- Microsoft 365 message trace: no sign that any message from Box was received or blocked
- Other users on the same Microsoft 365 tenant receive Box emails normally
- Password reset email did not arrive

Since nothing reaches our mail system despite several attempts, we suspect Box has added this address to its email suppression list after an earlier bounce. Your article "Troubleshooting Issues with Email Notifications" says addresses on that list can be removed, but the tool is in the Admin Console and we only have a free account.

How do we get to someone at Box to fix this.  I certainly would not consider upgrading to a paid account if Box can’t get the basics to work.  This needs to be fixed ASAP.

Could someone please:
1. Check whether the address is suppressed and remove it if so
2. Check your email logs for the attempts above

I've left the email address out of this public post. Is there a private way to send it to you, or a ticket I can reply to?

Thank you!

Best answer by Rona Box

Hi ​@CarmenC, 

Welcome to Box Community, and allow us review the user’s email address!

 

To protect the End User’s privacy, we can’t collect the impacted email address through this forum. Instead, please instruct the affected user in raising his/her support case to the Box Product Support team. 

Feel free to use the support page and creating your case. We hope to get this sorted out soon!

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  • New Participant
  • October 14, 2026

I have already posted on this and no one has responded!

My colleague is blocked due the Box email verification emails never arriving.  We have checked our email servers, junk, etc. and everything else our our end.  Our email is working fine.  However, there is a known problem with Box triggering an email suppression and we need this user to be let back in. What can we do???  Please help!

Carmen

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Rona Box
  • Community Manager
  • Answer
  • October 14, 2026

Hi ​@CarmenC, 

Welcome to Box Community, and allow us review the user’s email address!

 

To protect the End User’s privacy, we can’t collect the impacted email address through this forum. Instead, please instruct the affected user in raising his/her support case to the Box Product Support team. 

Feel free to use the support page and creating your case. We hope to get this sorted out soon!

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