On 08/05/19 14.51, Bona T Munthe ([email protected]) wrote:
> A. Bagaimana cara agar email dari luar tidak mengatasnamakan nama
> pernerima email agar dapat otomatis kami reject
> jika email dan nama tidak sesuai? 


> Authentication-Results: mail2.equity.id;
>       spf=none [email protected];
>       dmarc=none header.from=equity.id (no DMARC record);
>       iprev=pass policy.iprev=84.54.82.190 (PTR mail.uzbilling.uz);
>       iprev=temperror policy.iprev=84.54.82.190 reason="error during lookup" 
> (HELO mail.billing.uz);


Mail ini mestinya ditolak kalau HALO/EHLO lookup check di set dengan benar.

$ host mail.billing.uz 8.8.8.8
Using domain server:
Name: 8.8.8.8
Address: 8.8.8.8#53
Aliases:

Host mail.billing.uz not found: 2(SERVFAIL)


http://mdaemon.dutaint.co.id/mdaemon/19.0/index.html?security--reverse_lookup.htm


[x] Perform lookup on HELO/EHLO domain
[ ] ...send 501 and close connection on forged identification (caution)
[x] Refuse to accept mail if a lookup returns 'domain not found'
[x] ...send 501 error code (normally sends 451 error code)
[x] ...and then close the connection



-- 
syafril
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Syafril Hermansyah
MDaemon-L Moderators, MDaemon 19.0.1-64 Beta B
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learned the meaning of friendship, you really haven't learned anything.
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Milis ini untuk Diskusi antar pengguna MDaemon Mail Server di Indonesia

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