1. Cybersecurity

How does DMARC help increase Email Deliverability?

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Email is an excellent technique for businesses to promote their brand and attract clients. Because it is hard to check if the sender is who they claim to be, email facilitates the spread of spam, phishing, malware, viruses, and other sorts of fraud. Legitimate senders must overcome intricate anti-spam systems in order to get their emails sent to the appropriate recipient. Email senders and receivers devised a new email authentication standard to allow senders to transmit genuine emails to recipients while also prohibiting phishing and fraud communications.



DMARC is the acronym for Domain-based Message Authentication, Reporting, and Conformance. It's a method of determining whether or not an email message came from a specific sender. Its purpose is to prevent email spoofing, phishing schemes, and other viruses from being sent over the company's email domain.
DMARC adds domain alignment verification and reporting features to the commonly used SPF and DKIM protocols. The firms that process incoming emails provide DMARC reports, which give domain owners information on how their domains are utilized on the Internet.


Senders and organizations utilize DMARC to ensure that their sending domains aren't being exploited and that no fraudulent emails are being sent. Email senders that have DMARC implemented can rest assured that they have the best security in place to prevent the misuse of their domains, block spoofed emails, and safeguard their brand by using DMARC authentication.


Importance of DMARC 

To connect everything together, DMARC offers domain owners the following advantages:

  • Prevention of fraud emails.

if you install DMARC and make all of your authentic email sources DMARC–aligned, you may advise email receivers to reject any email that claims to come from your domain but fails DMARC. DMARC is an anti-phishing mechanism that has been used to prevent email fraud on a massive scale.

  • Simplified delivery to the recipient’s inbox.

DMARC makes it simple for email recipients to recognize a message. To combat spam, email recipients devote a significant amount of time, money, and resources to the development of technology that filters out undesirable messages. The implementation of DMARC helps email receivers streamline their filtering rules, swiftly identify spam, and boost email delivery. If an email passes DMARC authentication, it signifies that it genuinely originates from the domain shown in the ‘From’ address.

  • Protection of domain and brand reputation.

You can discover unauthorized senders using your domain by evaluating DMARC data, and you may notify recipients to reject emails received from your domain if the DMARC check fails. This will limit the number of unsolicited emails sent from your domain, protecting your sender's reputation, brand, and ROI.

  • Email traffic control

The use of DMARC gives you complete control over your email sources, ensuring that they only deliver genuine messages to your subscribers. You can verify if your genuine transmitting sources pass the SPF and DKIM checks, and you can resolve any authentication problems that arise. DMARC allows businesses to track how their partners send emails on their behalf and ensure that everything is sent correctly. This lowers the chances of your transmitting IP/domain being banned for sending spam emails.

  • Email visibility and brand recognition.

You may utilize the BIMI standard to show your logo next to your messages in the recipient's inbox if you employ DMARC enforcement. BIMI assists the receiver in recognizing your emails in the cloud and ensuring that the email was sent by you and not by someone posing as you. The BIMI standard is now only supported by Yahoo's mailbox provider, but it will be adopted by other ISPs in the following year.


For everyone concerned about email delivery, DMARC has become a must-have. If your emails are not DMARC compliant, they will compete for a user's Inbox alongside spam and fraud emails.


How does DMARC Work?

SPF and DKIM are the two additional authentication mechanisms that DMARC is built on. SPF authenticates the domain located in the ‘Envelope From’ address, whereas DKIM authenticates the domain contained in the d= tag inside a DKIM-signature in the email header.


Because these domains are usually hidden from the receiver, it is easy to fake the email ‘From’ address. The authenticated Identifiers are created from the results of the SPF and DKIM tests. Identifier alignment in the context of SPF implies that the domain of the ‘Envelope From’ address must match the domain of the header ‘From’ address. Alignment is tested against the EHLO domain when the ‘Envelope From’ address is blank.
Identifier alignment in the instance of DKIM implies that the domain discovered in the d= field of a DKIM-signature in the email header must match the domain found in the header ‘From’ address.


Do I need DMARC?

Fake sender identification is the basis for about 90% of email assaults, according to Barracuda's study. Email authentication can avoid these assaults, and DMARC is the most important mechanism for sender identity authentication.

Many Fortune 500 firms, including American Express, Bank of America, Facebook, FedEx, Microsoft, Netflix, PayPal, and others, have robust DMARC policies, according to the official DMARC website, and the number of valid DMARC policies surged by 300% in 2019. Consumers want to know that if they contribute personal information to a company, they won't be a victim of an email scam.


So what’s in it for you? 


  • Prevention of phishing emails
  • Good email delivery
  • Protection of your domain and brand
  • Email traffic management


DMARC not only eliminates domain spoofing but also ensures that your emails reach your clients' inboxes rather than the spam folder. It improves the efficiency of your email marketing, resulting in a higher return on investment. To learn more about DMARC, click here.


Original source: https://www.reddit.com/user/emailauth-io/comments/usatpd/how_does_dmarc_help_increase_email_deliverability/



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