On 2013-10-16 11:31, Sugeng A wrote:
> mohon bantuan update ke reversexcpt sbb :
> 
> 
> 
> Wed 2013-10-16 11:36:55: Accepting SMTP connection from 
> [180.235.148.70:43866] to [10.162.156.5:25]
> 
> Wed 2013-10-16 11:36:55: <-- EHLO elang.duadns.com

> Wed 2013-10-16 11:36:55: --> 501 Connecting IP must have valid PTR 
> record for 180.235.148.70

Sudah diupdate ke
ftp://ftp.dutaint.com/altn-mdaemon/miscl/ReverseXcpt.dat

> Namun user yg sama sebelumnya berhasil diterima emailnya :

> Fri 2013-10-11 12:22:29: Accepting SMTP connection from
> [180.235.148.70:43459] to [10.162.156.5:25]
> Fri 2013-10-11 12:22:29: <-- EHLO elang.duadns.com
> Fri 2013-10-11 12:22:29: *  D=70.148.235.180.IN-ADDR.ARPA TTL=(13)
> PTR=[elang.duadns.com]

Nampaknya ISP nya lupa mengupdate PTR IPv4 saat mengupdate PTR IPv6
kemarin ini.

$ host elang.duadns.com
elang.duadns.com has address 180.235.148.70
elang.duadns.com has IPv6 address 2001:df0:bc:1d::2:1

$ host 180.235.148.70
Host 70.148.235.180.in-addr.arpa. not found: 3(NXDOMAIN)

$ host 2001:df0:bc:1d::2:1
1.0.0.0.2.0.0.0.0.0.0.0.0.0.0.0.d.1.0.0.c.b.0.0.0.f.d.0.1.0.0.2.ip6.arpa
domain name pointer elang.duadns.com.

-- 
syafril
-------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 13.6.0 Release Edtion SecurityPlus
4.1.5
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