How do I set up Zoho CRM so its email passes DMARC?
Publish the records Zoho CRM shows in your account for your domain.
Last read from the sources at the foot of this page.
What does Zoho CRM ask me to publish?
After completing the authentication process in Zoho CRM, the next step is to add the automatically generated SPF and DKIM records to the domain manager.
Zoho CRM makes the values for your account, so we do not print any here.
Where in Zoho CRM are my values shown?
Host: Enter the DKIM hostname displayed in the SPF/DKIM Setup screen. (Example:"2232._domainkey") TXT Value: Paste the DKIM TXT record displayed in the SPF/DKIM Setup screen of your Zoho CRM account.
In your Zoho CRM account, the SPF/DKIM Setup screen shows the SPF and DKIM records to publish.
Copy each value from there exactly as shown, and add each record at your DNS host.
How do I add Zoho CRM to the SPF record I already have?
SPF implementations MUST limit the total number of those terms to 10 during SPF evaluation, to avoid unreasonable load on the DNS. If this limit is exceeded, the implementation MUST return "permerror".
Add the include Zoho CRM shows you inside the one SPF record you have, before its last word, and keep every service already in it. Never add a second SPF record: two make the check fail for every message.
An SPF record may make at most 10 DNS lookups. Each include counts, and so do the includes inside it. Past 10, the check fails, so remove services you no longer use before you add a new one.
Will p=reject block Zoho CRM email?
A message satisfies the DMARC checks if at least one of the supported authentication mechanisms: 1. produces a "pass" result, and 2. produces that result based on an identifier that is in alignment
Not once Zoho CRM signs your email with your domain's DKIM key. DMARC passes when a message passes DKIM or SPF for your own domain, and the DKIM records Zoho CRM gives you are on your domain.
Before you raise your policy, read your DMARC reports and check that email from Zoho CRM passes.
Where does this come from?
- Zoho CRM: Adding SPF and DKIM records to DNS settingshelp.zoho.comRead 14 October 2026
- RFC 7208, Sender Policy Frameworkrfc-editor.orgRead 14 October 2026
- RFC 7489, DMARCrfc-editor.orgRead 14 October 2026
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