Can you have multiple DKIM records on a single domain? The answer is yes, you can have as many DKIM records on your domain as allowed by your DNS provider.

DKIM stands for DomainKeys Identified Mail. It is an email authentication method designed to detect forged header fields and c…

Yes, you can set up DMARC without DKIM and have only DMARC and SPF in the equation. In this case, DKIM check always fails and DMARC authentication result is up to SPF check and SPF identifier alignment, which still somewhat works but is less than optimal…

What is DKIM?

DKIM, which stands for DomainKeys Identified Mail, is an email authentication method designed to detect forged header fields and content in emails. DKIM enables the receiver to check if email headers and content have been altered in transit…

We will go over how DKIM works with subdomains in this article.

If you want to send an email from a subdomain, like bob@marketing.acmecorp.com, you will need to create a private/public key pair for DKIM, save the private key on the sending server, and pu…

This post provides step-by-step instructions on how to add a DKIM record in CloudFlare.

First of all, a DKIM record is a TXT or CNAME record published in the DNS on your domain, under _(selector).domainkey.yourdomain.com, where “yourdomain…

This post provides step-by-step instructions on how to add a DKIM record in GoDaddy.

First of all, a DKIM record is a TXT or CNAME record published in the DNS on your domain, under _(selector).domainkey.yourdomain.com, where “yourdomain…

This post provides step-by-step instructions on how to add a DKIM record in Namecheap.

First of all, a DKIM record is a TXT or CNAME record published in the DNS on your domain, under _(selector).domainkey.yourdomain.com, where “yourdomain…

This article aims to provide a complete guide to implementing SPF, DKIM, and DMARC for your organization, and suggest the best practices for doing so. It is written in hopes that this will clear up confusion about what steps to take to achieve an effective DMARC deployment to secure business email a…

It's critically important for any company using Office 365 Exchange Server for email to implement DMARC, DKIM, and SPF to prevent or stop email spoofing and phishing as well as improve email deliverability.

Office 365 has become the de facto standard for productivity software…

When you first set up Amazon SES to send emails, you may find there is a "Via amazonses.com" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Amazon SES to deliver emails for you, so the mailbox provider considers that sent from Amazon SES instead of your…

Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. This is a process also known as email domain authentication.

How to set up SPF and DKIM for Mailchimp:

Verify your domain

Mailchimp requires you to verify that you o…

When you first set up Mailgun to send emails, you may find there is a "via mailgun.org", "via mailgun.us", or "via mailgun.info" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Mailgun to deliver emails for you, so the mailbox provider considers that sen…

When you first set up Mandrillapp (AKA Mailchimp Transactional Email) to send transactional emails, you may find there is a "via mandrillapp.com" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Mandrill to deliver emails for you, so the mailbox provider…

When you first set up SendGrid to send emails, you may find there is a "Via SendGrid" warning for the email in the recipient's mailbox.

This warning means you haven't authorized SendGrid to deliver emails for you, so the mailbox provider considers that sent from SendGrid instead of your brand…

When you first set up Zendesk to send emails, you may find there is a "Via Zendesk" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Zendesk to deliver emails for you, so the mailbox provider considers that sent from Zendesk instead of your brand…

When you examine the email headers inside a message, it is not uncommon that you find multiple DKIM signatures in a single email message.

Similarly, you can run into multiple DKIM signatures in a single email stream in some DMARC aggregate reports…

Once you've created a Google Workspace, formerly known as G Suite, account on your domain, you will need to set up email authentication so that emails sent from Google Workspace on behalf of your domain are fully authenticated, and keep monitoring the authentication status and take action if necessa…

People tend to think of setting up email authentication with DMARC, DKIM, and SPF as time-consuming and error-prone because they have to search the Web for various articles and tools to achieve a simple DMARC, DKIM and SPF setup. This can take days for those who aren't proficient in email authentica…

In this article we will explain various concepts related to DKIM selectors: what are they, why do we need them, and how they work in DKIM authentication.

A DKIM selector, as indicated by the name, is a string used by the outgoing server to locate the private key to sign th…