What does Deferred mean in Barracuda Spam Filter?

When a receiving mail server returns a temporary SMTP response code (4xx), the Barracuda Email Security Service (ESS) marks the mail as deferred. This deferral is returned back to the sending server. Mail that is deferred for any reason is not delivered by ESS.

How do I see blocked emails on Barracuda?

Use the Message Log to manage mail. The Message Log page displays all email messages that come through the Barracuda Email Security Service to your account. You can filter messages by All, Allowed, UI Delivered, Not Allowed, Blocked, Deferred, or Quarantined using the drop-down menu.

What does UI delivered mean in Barracuda?

For emails blocked or quarantined in the Message Log, the admin can manually deliver those messages. Once the message is delivered, the reason code for that message displays as Allowed with a reason of UI Delivered.

What is spooled in Barracuda?

Putting jobs in a buffer, a special area in memory, or on a disk where a device can access them when the device is ready. Spooling is useful because devices access data at different rates. The buffer provides a waiting station where data can rest while the slower device catches up.

Why is Barracuda blocking my email?

The #1 reason for Barracuda blacklisting your server is a security breach, either a compromised user account or web application that is sending spam. The primary sources of the spam are: Compromised user accounts. Insecure contact forms.

How do I clear outbound queue Barracuda?

If the mail in your Outbound Queue is not reaching its destination and you would like to remove it, simply wait. Mail will remove itself from the Outbound Queue after 48 hours of retrying. It is possible to change the 48-hour expiration time by contacting Barracuda Networks Technical Support for assistance.

What is Zerohour Barracuda?

Zero-Hour Intent matches URIs in message bodies. When unknown fingerprints are detected, the Email Security Gateway submits these fingerprints in real-time to Barracuda Central. When these fingerprints are growing in a viral or otherwise spam-like pattern, your barracuda blocks these Messages for Zero Hour Intent.

How do I remove my IP from Barracuda blacklist?

You have to go to the Barracuda Removal Page and submit a delisting request. Provide your server’s IP address, email address, phone number, and an optional reason for removal. Note that requests without valid information will be ignored. Multiple requests will also be ignored.

How long barracuda hold emails?

30 days
Barracuda Email Security Services displays all emails that are received in the message log. Emails are retained for a period of 30 days. Emails older than 30 days are not available any more.

How do I check my Barracuda queue?

To view the queues in a Message Log format, with the ability to filter, requeue, delete and view details of selected queued messages, use the ADVANCED > Queue Management page.

Are Barracuda emails safe?

The Barracuda Email Security ensures that email can still be delivered even during email server failures or loss of connectivity. In the event of on-premises disruptions, email can be spooled in the Cloud Protection Layer for up to 96 hours.