An SPF record is a type of Domain Name System (DNS) record that identifies which mail servers are authorized to send email on behalf of your domain. SPF records help to prevent email spoofing and improve email deliverability.

How to Configure SPF for Mimecast

To add Mimecast to a new DNS record, take the actions outlined below:

If your domain doesn’t yet have an SPF record published follow these steps:

• Sign in to your DNS administration interface.
• The following SPF record should be published in the domain section:

v=spf1 include:_netblocks.mimecast.com ~all

• Sign in to your domain registrar’s website.

• Change the SPF record for your domain to identify Mimecast as the approved outgoing service.

For instance, if your prior SPF record was v=spf1 include:_spf.google.com ~all , please include:

All of your new SPF records will be v=spf1 include:_spf.google.com include:_netblocks.mimecast.com ~all and include:

Worthing noting: You must delete all prior SPF records if you want Mimecast to redirect all emails for your domain.

With Skysnag, you can easily manage Mimecast’s SPF records without having to go to your DNS. This allows Mimecast’s SPF record to propagate instantly, and autonomously always pass SPF alignment.

Sign up for a free trial today to see how it works for your domain.

For more information on setting up Mimecast ‘s SPF, you can refer to their reference documentation.

You can use Skysnag’s free SPF Checker to check the health of your SPF record here