Fix “DKIM None Message Not Signed”- Troubleshooting Guide

Generating and maintaining an error-free DKIM record with proper configurations for uncompromised email security is important. Else you might come across errors lượt thích “DKIM none message not signed”, etc.

This blog explores ways lớn fix “DKIM none message not signed,” which might be caused due lớn multiple reasons, including a misconfigured or invalid or missing public key in your DNS. As a domain name administrator, you must ensure your DKIM public and private keys match and are configured properly. There are more potential reasons causing this error; let’s know what they are and how lớn fix them for optimum gmail authentication. 

Possible Reasons for “DKIM none message not signed” and How lớn Fix Them?

1. DNS Not Hosted Locally

It’s advised lớn host DNS locally lớn have better control over your network and for proper DKIM configuration. It also enables you lớn centralize DKIM settings across the network stack.

Follow these steps lớn fix it:

• Get a static IP address of your domain name.
• Install DNS server software. A few options available are BIND, Microsoft DNS, and dnsmasq.
• Configure the DNS server software with the appropriate settings, such as the domain name name you want lớn use and any subdomains or zones you want lớn create.
• Create DNS records for your domain name and subdomains, such as A records for IP addresses and MX records for gmail servers.
• If everything is working correctly, you can update the DNS settings on your domain name registrar’s trang web lớn point lớn your trang chính DNS server.

2. DKIM Configuration Errors

Syntactical and configuration errors in your DKIM record cause DKIM failures. You can phối your record by following these steps.

• Choose a DKIM Selector.
• Generate a pair of public and private DKIM keys.
• Use DKIM TXT record lớn publish a selector and publish the public key.
• Tokenize all the outbound emails for your domain name.

Ensure that DKIM public key record is correctly published in the DNS. It’s suggested lớn copy-paste it instead of manually typing it, as it’s a combination of numbers, special characters, and both uppercase and lowercase letters. Other kêu ca this, you must avert the practice of widespread key sharing as simplified and sorted configuration of shared keys is a vulnerability that hackers can take advantage of.

Also, validate the header of all outgoing emails; it should look lượt thích the following:

DKIM Not Enabled in E-Mail Settings

To perform cryptography-based authentication checks, you need lớn enable DKIM in gmail settings. This way, the domain name will attach special headers with every gmail sent from your domain name containing a private key. This key will be matched with the publicly available key lớn verify the senders’ authenticity. This also ensures that no malicious entity tampered with your messages’ nội dung in transit. 

Enabling DKIM in Gmail or Google Workspace

Here’s how you can enable DKIM in gmail settings in your Google Admin Console:

• Generate DKIM record.
• Add the TXT record name và DKIM key lớn your domain name.
• Sign in lớn your Google Admin Console and go lớn Menu > Apps > Google Workspace > Gmail.
• Click on Authenticate email.
• Go lớn the Selected Domain thực đơn and select the domain name for which you want lớn enable DKIM.
• Click on the Start authentication button. Wait for a while, your DKIM setup will get completed, and the status at the top of the page will read- Authenticating gmail with DKIM.

Once done, verify if DKIM authentication is on by following these steps:

• Send a test gmail lớn yourself or someone who is a Gmail or Google Workspace user.
• Open the gmail and observe the entire message header. Look for Authenticate- Results. You will see either DKIM=pass or DKIM=OK.

If the gmail header doesn’t include a statement about DKIM, it means messages sent from your domain name aren’t signed with DKIM. iInthis case, verify all the steps or reach out lớn an expert. You can use our email header analyzer tool for a detailed and quick analysis. 

Enabling DKIM in Microsoft Office 365

Here’s how you can enable DKIM in gmail settings for Microsoft Office 365:

• First, sign in lớn Office 365 portal.
• Go lớn the tiện ích launcher icon in the upper-left corner and click Admin.
• See the lower-left navigation bar, go lớn Admin, and choose Exchange.
• Go lớn Protection and click on DKIM.
• Choose the domain name for which you want lớn enable DKIM, followed by choosing Enable lớn allow signing messages for the chosen domain name with DKIM signatures.
• Follow the same steps lớn enable DKIM for each custom domain name.

4. Missing Record

When you come across the “No DKIM record found” error, it means your domain name has failed lớn configure lớn DKIM gmail authentication standards. To get rid of this prompt, you need lớn configure DKIM for your domain name by publishing a DNS TXT record using our DKIM record generator that can instantly produce a record with the correct syntax. 

Here’s what you need lớn do:

• Choose your DKIM selector (e.g: selector1) 
• Type or paste your domain name name (e.g. exampledomain.com).
• Next, click on Generate DKIM record.
• You will receive a private key that you need lớn enter in your DKIM signer.
• Next, you will receive the generated DKIM record with your public key.

If you’re still facing issues in resolving “DKIM none message not signed”, contact us for immediate assistance with your gmail authentication practices.