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How Email Authentication Works

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05 Jan 2021

You can help deter email theft, increase your email's deliverability, and ensure continued distribution as mailboxes are collected. The secret is email verification.

Email authentication is not only about protection but about deliverability as well. You will secure your brand and help your emails effectively hit the mailbox by placing DKIM and SPF records in order and authenticating your emails. You will help deter email theft, increase the deliverability of your email, and ensure continued distribution. The secret is email verification.

We will help you appreciate how email verification has become an important part of the distribution process and take a closer look at what happens to an email after you send it. For more help, you can also try and use the CBT Mass Email Senderand see how that works for you.

A Brief Guide to Email Authentication

As part of the email distribution method, receiving mail servers function to assess your email's validity and credibility.

"When a mail server sends the email, it essentially questions," Is this email from who it says it is from? How can I check it? What do I do if the email is not authenticated successfully? The transmitting reputations connected with the sending domain and sending IP would be looked at by the receiving mail servers. Content, prior interest with their users with your sent emails, and other reputational variables will also decide if your email will be sent to the targeted inboxes successfully. We spoke about how your email promotions' effectiveness can be enhanced and how your email deliverability's consistency and content aspect is listed.

So, what do we mean when we claim an email has been authenticated successfully? In short, the DKIM key associated with your email and transmitting domain has been checked by the receiving mail server for the appropriate SPF records, and your email has successfully passed those tests. Your DKIM key is unique to you and is hosted in your domain's DNS records, and, as such, it needs some configuration from the domain owner to bring it in place.

Let's speak about how your campaigns can be approved or refused by a mail server depending on how it defines your campaigns' validity and credibility.

Your email may comply with anti-spam rules, contain excellent content and have a send-from address on your registered business domain, but these things may not be adequate to grant it a transfer to a receiving mail server.

You need to authenticate your addresses so that verifiable information can be checked against the receiving mail registry and say, yeah, this email is from the CBT mass email sender and not a phisher claiming to be a CBT.

Email Authentication and Its Significance

As a direct result of email's ongoing use as a forum for malware, spam, and spoofing, email authentication's increased value emerges.

As a result, ISPs and receiving mailboxes take more stringent steps to protect their customers from spam and phishing communications. One part of the combined initiative is introducing more strict policies by ISPs and an increased need for authentication for efficient distribution.

When more and more ISPs follow tougher regulations, inbox positioning problems may be seen by senders lacking authentication and could be at risk.

For your email marketing's long-term effectiveness, email verification is as critical as the consistency of your list or the strength of your design and content.

Authentication of Your Email and Domain

All email authentication begins with domain authentication. You need to authorize your Email Service Providers (ESP) to send emails with your company's approval, in this case, Campaign Watch.

Authentication is achieved by the DNS documents to which the business has access. These documents inform your clients' email servers that the marketing emails you send are reliable and from a reputable organization. A simple means of disengaging a client from your mailing list is to accept an email from an insecure source. They could block you, report you, and never come back to your business again.

How to Authenticate Your Domain

CBT technicians will help you easily troubleshoot the concerns if you have spamming and phishing problems. The first step we're taking is an investigation. We want to make sure our client has first authenticated their domain. Going to your Account Settings and pressing Verification is the best way to verify if your domain is authenticated.

It's time to have your domain authenticated if it turns out that both your DKIM and SPF are not confirmed.

Authentication of Emails and Engagement with Customers

You can now send your emails without thinking about protecting the details of your client or the data of your business. Even if you are not on the technological side of your company's email marketing strategy, this knowledge is helpful to learn.

It's also useful to note that customer communication and email verification go hand-in-hand. You're on the customer contact side of the company as an email marketer. So, if you find something going wrong, like blacklisting or ignoring your emails, then you should take responsibility for finding the issue. Most possibly, it would be an authentication problem.

From The Rundown:

Demonstrate that by setting up your domain authentication, your business trusts reputable interaction.

For additional support for your email promotions, refresh your DKIM keys annually.

Boost customer loyalty by keeping emails from your business and your customers safe.


You are mitigating the risk of email theft, targeting your brand by placing email verification in effect, and helping your emails reach your subscribers.

If you have never tried and got authentication options for your email promotions, now is the time to make that happen. If you would like more email authentication support or read more about DNS and DKIM keys, find out how CBT helps solve challenges for their customers' challenges

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