Ip address that is allowed sending mail on behalf of your domain So only the listed mail servers are allowed to send mailĪ domain name that is allowed to send mail on behalf of your domain Match all domain name records (A and AAAA) The 6 commonly used elements in an SPF record are: Element The SPF Record is structured in such a way that you can easily add or remove mail systems to or from the record. You will first need to identify these systems because if you don’t include them in the SPF record, mail sent from those systems will be listed as spam. Think of your scanners that send email to external contacts, (web)applications, newsletters systems, etc. So before we can create the SPF record we first need to know which systems are sending mail on behalf of your domain, besides Office 365. SPF RecordĪn SPF record is used to identify which mail servers (or systems) are allowed to send mail on your behalf. In this article, I am going to explain how to create an Office 365 SPF record. You will need to create an SPF record for each domain or subdomain that you want to send mail from. SPF is the first line of defense in this and is required by Microsoft when you want to use a custom domain instead of the domain. SPF, together with DKIM and DMARC helps to prevent spoofing of your mail domain. When you want to use your own domain name in Office 365 you will need to create an SPF record.
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