John Levine via mailop skrev den 2023-05-24 19:50:
same thing
I checked with the guy who wrote the Null MX RFC and he is quite
sure they're not the same thing.
xpoint@tux ~ $ dig example.org txt
;; ANSWER SECTION:
example.org. 86400 IN TXT
"6r4wtj10lt2hw0zhyhk7cgzzffhjp7fl"
example.org. 86400 IN TXT "v=spf1 -all"
xpoint@tux ~ $ dig example.org mx
;; ANSWER SECTION:
example.org. 86400 IN MX 0 .
test it please, do you see spf rejects or nullmx rejects ?
sendmail -f [email protected] -bv [email protected]
check your logs :)
in my test example.org does not enforce spf rejects
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