What happens when an email is quarantined?
Elijah King
Updated on March 16, 2026
What happens when an email is quarantined?
The Quarantine is a location on a server where email messages that are suspected to be spam are stored temporarily so that they can be reviewed and retrieved if necessary. System administrators have the ability to search for messages on a user’s behalf.
How do you release a quarantined email?
How to find and release your quarantined messages (iOS and Android)
- Go to
- Sign in with your email username and password.
- The page will redirect to the review list of all quarantined messages.
- Select a specific message and click ‘release message’ in the page that appears.
How do I get rid of the quarantined sender in Outlook?
Sending spam messages to your Outlook inbox with a [QUARANTINE] identifier
- Click the Preferences tab.
- Click the Quarantine Settings subtab.
- In the Quarantine Enable/Disable section, click the No option.
- Click the Save Changes button.
How do I remove a quarantined sender?
From the Domain Level Control Panel, select Incoming > Spam quarantine. The Spam quarantine page is displayed, showing all quarantined messages for this domain. Click on the dropdown to the left of the message and select Block sender and remove from quarantine.
Why was my email quarantined?
Quarantine. Sometimes junk mail goes into a Quarantine state because the message is spam-ish or potentially malicious. Like Junk mail, you can choose to move Quarantined messages to your inbox or delete it. After two weeks, the quarantined messages will expire and not be accessible.
What actions can an administrator perform on a quarantined message?
When a message is quarantined, it’s sent to the admin quarantine, where an admin can take any of the following actions:
- Display the rule that caused the message to be quarantined.
- Deliver the message to the intended recipient.
- Deny message delivery.
- Take no action.
What is quarantine messaging Microsoft?
In Microsoft 365 organizations with mailboxes in Exchange Online or standalone Exchange Online Protection (EOP) organizations without Exchange Online mailboxes, quarantine is available to hold potentially dangerous or unwanted messages.
Why are my emails going to quarantine?
How do you bypass high confidence Phish?
Malware and high confidence phishing messages should be quarantined….These overrides include:
- Allowed sender lists or allowed domain lists (anti-spam policies)
- Outlook Safe Senders.
- IP Allow List (connection filtering)
- Exchange mail flow rules (also known as transport rules)
How do I stop quarantined emails in Office 365?
Prevent your emails from being caught in Microsoft 365 quarantine
- Add an email message header in usecure settings.
- Set up a mail follow rule in Exchange Admin Centre.
Where is Outlook quarantine?
Go to your quarantine page at Sign in, using your Office 365 credentials (user ID and password). On your Quarantine page, you’ll see a list of any messages that were sent to you, but were identified as spam and redirected to the quarantine.
How do I get Outlook to quarantine?
How do I release a quarantined message?
Choose the Type and Date, and select Quarantined for the Status. Select Search. This returns a list of quarantined messages for that user within the filters you specified. Select the checkbox to the left of the message that you want to release from quarantine. Release from Quarantine: Release the message.
How do I release quarantined emails in Proofpoint?
With the Advanced Email Security add-on, end users and org admins can search for and release quarantined emails in Proofpoint. Sign in to Advanced Email Security. Select Log Search. Select Specific User, then select the email address that has quarantined messages. Choose the Type and Date, and select Quarantined for the Status.
How to resend a spam email from a quarantine mailbox?
Open the spam quarantine mailbox in Outlook on a client computer. In the Mail view, find the message you want to recover in the Inbox, and then double-click the message to open it. In the Move section of the Ribbon, click Actions > Resend this Message. When the message opens, click Send to resend the message to the intended recipient.
Where does a quarantined outbound message appear?
A quarantined outbound message appears in the sender’s Sent folder, but isn’t delivered to the recipient unless an admin releases it from the quarantine.