Dear Pak Syafril,

User saya ada masalah lagi mengenai email yang tidak diterima.  Berikut log
SMTP(In) :

Thu 2012-06-21 13:24:53: [139501:16] <-- MAIL FROM:<
[email protected]> SIZE=330537
Thu 2012-06-21 13:24:53: [139501:16] Performing PTR lookup
(51.191.210.210.IN-ADDR.ARPA)
Thu 2012-06-21 13:27:53: [139501:16] *  DNS: 180 second wait for DNS
response exceeded (DNS Server: 208.67.222.222)
Thu 2012-06-21 13:27:53: [139501:16] *  D=51.191.210.210.IN-ADDR.ARPA
TTL=(661) PTR=[mx-corp3-out.cbn.net.id]
Thu 2012-06-21 13:27:53: [139501:16] *  Gathering A records...
Thu 2012-06-21 13:27:53: [139501:16] *  D=mx-corp3-out.cbn.net.id TTL=(526)
A=[210.210.191.51]
Thu 2012-06-21 13:27:53: [139501:16] *  D=mx-corp3-out.cbn.net.id TTL=(526)
A=[210.210.145.51]
Thu 2012-06-21 13:27:53: [139501:16] ---- End PTR results
Thu 2012-06-21 13:27:53: [139501:16] Performing IP lookup (
mx-corp3-out.cbn.net.id)
Thu 2012-06-21 13:27:53: [139501:16] *  D=mx-corp3-out.cbn.net.id TTL=(526)
A=[210.210.191.51]
Thu 2012-06-21 13:27:53: [139501:16] *  D=mx-corp3-out.cbn.net.id TTL=(526)
A=[210.210.145.51]
Thu 2012-06-21 13:27:53: [139501:16] ---- End IP lookup results
Thu 2012-06-21 13:27:53: [139501:16] Performing IP lookup (
tiankunchemical.com)
Thu 2012-06-21 13:27:53: [139501:16] *  D=tiankunchemical.com TTL=(0)
A=[67.215.65.132]
Thu 2012-06-21 13:27:53: [139501:16] *  P=010 S=000
D=tiankunchemical.comTTL=(110) MX=[
mx7.chinanetsun.com]
Thu 2012-06-21 13:27:53: [139501:16] *  D=tiankunchemical.com TTL=(0)
A=[67.215.65.132]
Thu 2012-06-21 13:27:53: [139501:16] ---- End IP lookup results
Thu 2012-06-21 13:27:53: [139501:16] Performing SPF lookup (
tiankunchemical.com / 210.210.191.51)
Thu 2012-06-21 13:27:53: [139501:16] *  Policy: v=spf1 include:
spf.chinanetsun.com -all
Thu 2012-06-21 13:27:53: [139501:16] *  Evaluating include:
spf.chinanetsun.com: performing lookup
Thu 2012-06-21 13:27:53: [139501:16] *    Policy: v=spf1 ip4:222.73.232.146
ip4:222.73.108.32/27 ip4:222.73.238.128/26 ip4:122.224.186.18
ip4:122.224.214.195 ip4:60.12.235.198 ip4:124.42.11.42 ip4:204.152.206.156
-all
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:222.73.232.146: no
match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:222.73.108.32/27:
no match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:222.73.238.128/26:
no match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:122.224.186.18: no
match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:122.224.214.195:
no match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:60.12.235.198: no
match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:124.42.11.42: no
match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating ip4:204.152.206.156:
no match
Thu 2012-06-21 13:27:53: [139501:16] *    Evaluating -all: match
Thu 2012-06-21 13:27:53: [139501:16] *  Evaluating include:
spf.chinanetsun.com: no match
Thu 2012-06-21 13:27:53: [139501:16] *  Evaluating -all: match
Thu 2012-06-21 13:27:53: [139501:16] *  Result: fail
Thu 2012-06-21 13:27:53: [139501:16] ---- End SPF results
Thu 2012-06-21 13:27:53: [139501:16] --> 550 failed to meet SPF requirements
Thu 2012-06-21 13:27:53: [139501:16] SMTP session terminated (Bytes in/out:
81/269)


Kalau seperti ini permasalahannya dimana ya?
SPF itu apa? apakah bisa dibuatkan pengecualian juga?

Terima kasih
Rusdi

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