On 4/28/25 11:24, Syafril Hermansyah via Mdaemon-L wrote:
On 4/28/25 09:41, Hengga KMN wrote:
Ada tips mengatasi email phishing di MDaemon?
Aktifkan antispoofing domain (SPF/DKIM dan DMARC) dengan policy = reject.
https://www.mail-archive.com/mdaemon-l@dutaint.com/msg47287.html
https://www.mail-archive.com/mdaemon-l@dutaint.com/msg46104.html
https://www.mail-archive.com/mdaemon-l@dutaint.com/msg47356.html
Prakteknya menjadi sbb:
Perlu mengubah DNS SPF record domain anjhealthcare.com dari tadinya
anjhealthcare.com. TXT "v=spf1 ip4:203.153.216.18 +a +mx ~all"
menjadi
anjhealthcare.com. TXT "v=spf1 ip4:203.153.216.18 +a +mx -all"
DMARC diubah dari tadinya
_dmarc.anjhealthcare.com. TXT "v=DMARC1; p=none;"
menjadi
_dmarc.anjhealthcare.com. TXT "v=DMARC1; sp=none; aspf=s;
rua=mailto:dmarc-repo...@anjhealthcare.com";
buat address aliases
dmarc-repo...@anjhealthcare.com = postmas...@anjhealthcare.com
https://mdaemon.dutaint.com/mdaemon/25.0.0/alias_aliases.html
--
syafril
--------
Syafril Hermansyah
MDaemon-L Moderator, run MDaemon 25.0.2
Mohon tidak kirim private mail (atau cc:) untuk masalah MDaemon.
Learning without thought is labor lost; thought without learning is
perilous.
--- Confucius (551 BC - 479 BC), The Confucian Analects
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