Email receivers may decide to override the policy that you have specified in your DMARC record. For example, you have set a policy of reject (p=reject) for your domain and
DKIM configuration for Sendgrid
Please follow the below two steps to configure SPF and DKIM for the Sendgrid (recommended by Sendgrid) Configure SPF and DKIM signing for the mails in Sendgrid portal Configure the
DKIM configuration for MailChimp
To help ensure your emails reach your recipients’ inboxes, set up custom DomainKeys Identified Mail (DKIM) authentication for your domain. Inbox Service Providers (ISPs) like Google, Yahoo, and Microsoft use
DKIM configuration for Symantec cloud
Please follow the below three steps to configure DKIM for the office 365 cloud Add a selector to a domain Update the public DNS record Verify propagation and then enable
DKIM configuration for Salesforce cloud
Please follow the below two steps to configure DKIM for the Salesforce cloud Create DKIM keys from your Salesforce console. Publish two CNAME records for your custom domain in DNS.
DKIM configuration for Forcepoint cloud
Please follow the below two steps to configure DKIM for the Forcepoint cloud Publish two CNAME records for your custom domain in DNS. Enable DKIM signing for your custom domain
DKIM configuration for Amazon SES
Please follow the below two steps to configure DKIM for the Amazon SES Set up Easy DKIM for the “domain” in AWS SES console. Configure DKIM CNAME record in the
SPF record syntax
Below is the syntax for SPF record : Example: v=spf1 a mx ip4:192.168.0.1 include:spf.example.com -all V version The SPF record version Description a Pass Match if IP has a
Querying SPF, DKIM and DMARC records
The table below shows the commands used in Windows Command Line, Linux Terminal and Mac OS Terminal to query for the SPF, DKIM and DMARC records for a domain. Follow
How do mail receivers know where to send DMARC aggregate and forensic reports to?
A mail receiver looks at the domain found in the From header of an email and looks up the DMARC reporting requests for that domain. It looks at the RUA
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