On June 9, 2024 12:17:38 PM UTC, Jeff Peng via Postfix-users
<postfix-users@postfix.org> wrote:
>Hello
>
>If I have a mx server: mx.host.com whose ip is 1.2.3.4.
>
>The domain.com who use this mx server may have the following SPF.
>
>v=spf1 mx ~all
>v=spf1 ip4:1.2.3.4 ~all
>v=spf1 a:mx.host.com ~all
>v=spf1 mx:domain.com ~all
>
>May i know if they mean the same stuff for SPF?
They do.
Scott K
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