If you’re using Flodesk for email marketing, there’s one important step that often gets overlooked: domain authentication. 

It may sound technical, but authenticating your domain is one of the simplest ways to improve your email deliverability, protect your brand reputation, and help your newsletters actually land in inboxes instead of spam folders.

At Callan Group Communications, we always recommend setting up domain authentication before launching any major email marketing campaigns. Here’s why it matters and how to get it done.

What Does “Authenticating Your Domain” Mean?

Domain authentication is the process of verifying that your emails are legitimately being sent from your business domain.

For example, if your emails come from:
hello@yourbusiness.com

Authentication tells email providers like Gmail, Yahoo, and Outlook that:

  • You own the domain
  • You’ve authorized Flodesk to send emails on your behalf
  • Your messages are trustworthy and not spoofed or fraudulent

Without authentication, email providers are more likely to flag your emails as suspicious.

Why Domain Authentication Matters

1. Better Email Deliverability

The biggest reason to authenticate your domain is simple:
More people will actually receive your emails.

Internet providers are becoming stricter about spam prevention. Authenticated domains help establish trust, which improves the chances of your emails landing in the primary inbox instead of promotions or spam folders.

2. Protect Your Brand Reputation

Authentication helps prevent email spoofing — when scammers try to send fake emails pretending to be your business.

By authenticating your domain, you’re helping protect both your brand and your audience.

3. Improved Open Rates

If your emails consistently reach inboxes, your open rates and engagement rates often improve naturally.

Even the best-designed newsletter won’t perform well if recipients never see it.

4. It’s Becoming an Industry Standard

Major providers like Google and Yahoo now strongly encourage — and in some cases require — proper authentication for bulk email senders.

Skipping this step can hurt your marketing performance over time.

How to Authenticate Your Domain in Flodesk

The good news? Flodesk has made the process fairly straightforward. 

Step 1: Log Into Flodesk

Go to:
Flodesk Official Website

Navigate to:
Account Settings → Domain Setup

Step 2: Add Your Sending Domain

Enter the domain you use for email marketing.
Example:
yourbusiness.com


Step 3: Copy the DNS Records

Flodesk will generate several DNS records for you, usually including:

  • SPF records
  • DKIM records
  • Sometimes DMARC recommendations

These records verify your domain ownership and authorization.


Step 4: Access Your Domain Registrar

Log into wherever your domain is hosted, such as:

Locate your DNS settings.

Step 5: Add the Records

Copy and paste the DNS records exactly as Flodesk provides them.

Be careful not to:

  • Delete existing records accidentally
  • Add extra spaces
  • Duplicate SPF entries

Step 6: Verify the Connection

Return to Flodesk and click verify.

DNS updates can take anywhere from a few minutes to 48 hours, though they usually update much faster.

Common Mistakes to Avoid

Multiple SPF Records

You should typically only have one SPF record. Having multiple SPF records can actually break authentication.

Typos in DNS Entries

Even a small typo can prevent verification.

Forgetting DMARC

While optional for some businesses, DMARC adds another layer of protection and credibility.

Final Thoughts

Email marketing only works if your audience actually receives your emails.

Authenticating your domain helps:

  • Improve deliverability
  • Build trust with email providers
  • Protect your business reputation
  • Increase the effectiveness of your campaigns

It’s a small technical step that can make a major difference in your marketing performance.

If your business needs help setting up email marketing systems, improving deliverability, or creating engaging newsletters, Callan Group Communications can help guide the process from strategy to execution.

For futher help and images, please visit Flodesk’s help center

 

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