On 24/06/15 15:46, Uka Fahrurosid wrote:
> Mohon bantuan untuk log dibawah ini:

> Wed 2015-06-24 13:45:36.500: [259840] Accepting SMTP connection from [
> 124.202.154.216:59029] to [36.66.0.155:25]

> Wed 2015-06-24 13:48:02.796: [259840] *  D=216.154.202.124.IN-ADDR.ARPA
> TTL=(180) PTR=[smail216.cn4e.com]
> Wed 2015-06-24 13:48:02.796: [259840] *  Gathering A records...
> Wed 2015-06-24 13:49:02.796: [259840] *  DNS: 60 second wait for DNS
> response exceeded (DNS Server: 118.98.44.20)
> Wed 2015-06-24 13:49:34.578: [259840] *  No A records found

Ini tidak benar, A recordnya ada.

$ host smail216.cn4e.com
smail216.cn4e.com has address 124.202.154.216

dengan perkataan lain, sender host punya valid PTR record.



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syafril
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Syafril Hermansyah
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