請問這是什麼原因呢？

[chrisccc]

請問諸位大大，為什麼同一家公司客戶寄來的郵件，有的會被退，有的卻可以寄呢？以下是log檔

另外想請問因為在大陸的同事無法使用台灣的web mail ，如果說自己架設一個proxy server並透過proxy server不知可否解決這個問題呢？

2006/01/05:05:59:45
SMTP 65.167.229.202 SS
[email protected] [email protected] 4180

2006/01/05:00:03:24
SMTP 65.167.229.202 RC
"Domain of sender [email protected] does not resolve correctly because your ip is not belong to the domain you claimed and your hostname does not match your PTR record. You may try again after correcting this issue or maybe this is just a temporary domain resolving error."

謝謝大大的回答

[Arnor]

這是因為你使用反查並且郵件規則設定成"檢查不過就斷線"

並且

> set q=mx
> pcf.com
Server: dns.hinet.net
Address: 168.95.1.1

pcf.com MX preference = 10, mail exchanger = mx1.pcf.com
pcf.com nameserver = ns1-auth.sprintlink.net
pcf.com nameserver = ns2-auth.sprintlink.net
pcf.com nameserver = ns3-auth.sprintlink.net
mx1.pcf.com internet address = 65.167.229.4
ns1-auth.sprintlink.net internet address = 206.228.179.10
ns2-auth.sprintlink.net internet address = 144.228.254.10
ns3-auth.sprintlink.net internet address = 144.228.255.10
>


SMTP 65.167.229.202 RC
"Domain of sender [email protected] does not resolve correctly because your ip is not belong to the domain you claimed and your hostname does not match your PTR record. You may try again after correcting this issue or maybe this is just a temporary domain resolving error."


根本也不是由他們SMTP Server 寄出的信,
你反查等級要用C級才會通過兩IP的比對.
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