asked on How to create reverse spf and the correct syntax
An external company has asked me to create reverse spf so that they can send on behalf of our domain.
How do I action this? I know this is created on our domain's external DNS however, I am keen to understand the correct syntax.
Please note they have supplied multiple IP address that they could be sending from if that makes any difference?
How do I action this? I know this is created on our domain's external DNS however, I am keen to understand the correct syntax.
Please note they have supplied multiple IP address that they could be sending from if that makes any difference?
DNSExchangeNetworking
Last Comment
DrDave242
SOLUTION
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ASKER CERTIFIED SOLUTION
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You can include their domain name like the example Squinky has, or if they have specific IP address you can include those IP addresses
Including the domain name requires that all of the IP addresses they use to send e-mail have PTR records setup properly.