> [x] Perform PTR lookup on inbound SMTP connections
> [x] ...send 501 and close connection if no PTR record exists (caution)
> [x] ...send 501 and close connection if no PTR record match
> [x] Exempt authenticated sessions (lookup will defer until after MAIL)
>
> [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
> [x] Exempt authenticated sessions (lookup will defer until after MAIL)
>
> [x] Perform lookup on value passed in the MAIL command
> [ ] ..send 501 and close connection on forged identification (caution)
> [x] Refuse to accept mail if a lookup returns no MX records (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

Baik, Pak. sudah diaplikasikan sesuai contoh di atas. Terima kasih
banyak atas bantuan dan kerjasamanya.


-- 
Warm Regards,

Anjas
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