Hi !
The dns entry provides info from which mailservers the receiptient
should only accpet email from entire domain... whta the receiptiten is
doing with that information is up to your settings in postfix
my entry e.g.
600 IN TXT "v=spf1 a mx -all"
that mean all servers listet in MX enrties of my domain are allowed to
send emails from my domain....
So if you receive an email from my domain which are not sent from one of
those servers you can (if you want) put them in spam
Ciao Gerd
Am 09.06.2023 um 02:17 schrieb wesley--- via Postfix-users:
Hello,
for this spf setting,
bar.org. 3600 IN TXT "v=spf1 -all"
no ip addresses were provided.
does it mean all IP are passed, or no IP can pass?
Thanks.
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