Contents
Do I need SPF record for subdomain?
You need to have separate SPF records for each subdomain you wish to send mail from.
What do I do if I don’t have an SPF record?
SPF records are used to prevent spammers from spoofing your domain name. But some email admins don’t see it that way, despite the fact that without an SPF record: Spammers can spoof your domain name to spam other networks, harming your brand’s reputation.
How long does it take for SPF records to propagate?
48 hours
Your new SPF record can take up to 48 hours to go into effect. For help adding TXT records, contact your domain host.
How do I get an SPF record for my domain?
Instructions
- Log into your Account Center.
- Navigate to the Edit DNS Zone Page Edit DNS Zone Page Edit DNS Zone Page for your desired domain.
- Select the + Add Row button to create a new record. Set the type to TXT and enter your SPF record in the right column.
- Click Save to commit the changes.
Can we have 2 SPF records?
Can you have multiple SPF records on a single domain? The answer is no: a domain MUST NOT have multiple SPF records, otherwise SPF fails with PermError. An SPF record is a TXT record in the DNS starting exactly with “v=spf1”, followed by an array of mechanisms and/or modifiers.
Do you need SPF for domain that does not send emails?
No spf records are NOT required if your domain doesn’t send emails however for benefit of reducing the risk of spam mail coming from that domain setting the spf record of “v=spf1 -all” is good so that spf checking servers see this and automatically reject email from that domain
Do you need a SPF for a subdomain?
All subdomains inherits the DMARC policy, but SPF isn’t inherited by the subdomains. Therefore, you’d need to add a corresponding SPF record for every A record you have, too. There’s no need to publish any DKIM records as there’s no-one signing the messages anyway.
How to include third party domains in SPF?
SPF basics: Including third-party domains that can send mail on behalf of your domain. In addition to IP addresses, you can also configure your SPF TXT record to include domains as senders. These are added to the SPF TXT record as “include” statements.
How to set up SPF to help prevent spoofing?
In order to use a custom domain, Office 365 requires that you add a Sender Policy Framework (SPF) TXT record to your DNS record to help prevent spoofing. Ensure that you’re familiar with the SPF syntax in the following table.