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Barracuda Email Security

Supports SPF Does Not Support DKIM

How to Enable SPF for Barracuda Email Security

To set up your SPF record with Barracuda or edit your current SPF record to include Barracuda, follow the steps below:

If you do already have an SPF record on your domain

Simply add one of the following, based on the region of your Barracuda Email Security Service, to your existing SPF Record:

  • US Region:
  • UK Region:
  • Germany Region:

Don't already have SPF setup for your domain?

To create an SPF record for your domain name, follow these steps:

  1. Log in to your Barracuda Cloud Control account
  2. Click Email Security in left pane
  3. Go to Inbound Settings > Sender Authentication page
  4. Select from available options in Use Sender Policy Framework section (Block FAIL; Block FAIL, SOFTFAIL; Off)
  5. Create a TXT record with the following specifications: v=spf1 ~all

If you are not using the US Region them use one of the following:

  • UK Region: v=spf1 ~all
  • Germany Region: v=spf1 ~all

DKIM/SPF Setup Highlights

The below sections highlight notable characteristics of setting up DKIM and SPF for this provider as well as highlighting advanced settings if offered by this Outbound Email Source.


SPF Include Tag Required

This outbound email provider uses an include mechanism to add this provider's IP space to your SPF. To get fully set up with SPF for this provider, you will need to take the provided “include” domain and add it to your SPF record. An example of an SPF record without an include tag is compared to one with the tag added below (the include tags added are denoted in bold).


Initial SPF Record:

HOST TEXT v=spf1 ~all


SPF record include added:

HOST TEXT v=spf1 ~all



This outbound email provider does not support DKIM signing.