I am curious how others are handling SPF records with multiple active vendors. We have several vendors that send emails on our behalf, so I add them to our SPF record. However we always have more tha... Show More Jeff Harlow Iron Contributor ...
This SPF record allows any server with an IP address within the range of 192.0.2.0/24 to send emails. All other servers will be considered unauthorized. An SPF record that includes a third-party email service: 1 v=spf1 include:_spf.google.com include:spf.protection.outlook.com -all This...
An SPF record is a DNS TXT record containing a list of all the authorized mail servers for your website. Learn how to use SPF records here.
Breaking down each component in the above SPF record, the first component, “v-spf1”, provides the version of the SPF entry. The version will always be SPF1 for now, providing a way for the recipient’s email server to identify the TXT record that includes SPF information. The “ip4”...
For instance, "ip4:" precedes an IPv4 address range. An example SPF record might authorize email from specific IP addresses with "v=spf1 ip4:192.0.2.0/24 -all." What does an SPF record look like? SPF records appear as a single line of text within a DNS TXT record. It consists of ...
However, you can add multiple servers to the same SPF record. All you have to do is copy/paste your new SPF record in front of the old one and separate them with a single space. For example, to add Outlook to the SPF example we included in the previous section, it would look like...
SPF TXT record for marketing.contoso.com: text v=spf1 include:servers.adatum.com include:spf.protection.outlook.com -all Troubleshooting SPF TXT records One SPF record per domain or subdomain: Multiple SPF TXT records for the same domain or subdomain cause a DNS lookup loop...
The “include:” tag lets your SPF record the addresses of authorized domains. The “ip4” tag includes IPv4 addresses, and you can also use the “ip6” tag if you use IPv6 addresses The “~all” tag, or the soft fail qualifier, means that the receiving server should accept the email...
Streamline your SPF record management, enable DMARC compliance, and improve your email deliverability by fixing the SPF 10 record limitation. Fix My SPF Record! Compliant with Industry Standards Wait, did we just say… “ Fix your broken SPF in 60 seconds flat! “ [ Or, you get ONE full...
Part of the DNSControl project includes an SPF flattener that you can use manually at this website: https://stackexchange.github.io/dnscontrol/flattener/index.html Checkbox the parts of your SPF record that you want to unroll. I recommend unrolling just enough to get below the 10-lookup li...