Exchange未送达450错误：Valid DNS required on connecting IP！

lixin0217

Your message

  To:      pitwang@aol.com; rwang@axiom-micro.com; sweeney

  Subject: Re: About the CAL software
  Sent:    Fri, 28 Mar 2008 19:03:28 +0800

did not reach the following recipient(s):

rwang@axiom-micro.com on Sat, 29 Mar 2008 19:26:28 +0800
    电子邮件系统无法传递此邮件，但未报告具体原因。请检查邮件地址，然后重
新发送。如果再次失败，请与系统管理员联系。
    <mail.ginwave.com #4.0.0 smtp;450 <rwang@axiom-micro.com>: Recipient address rejected: Valid DNS required on connecting IP> sweeney@axiom-micro.com on Sat, 29 Mar 2008 19:26:28 +0800
    电子邮件系统无法传递此邮件，但未报告具体原因。请检查邮件地址，然后重
新发送。如果再次失败，请与系统管理员联系。
    <mail.ginwave.com #4.0.0 smtp;450 <sweeney@axiom-micro.com>:
Recipient address rejected: Valid DNS required on connecting IP>
Reporting-MTA: dns; mail.ginwave.com

Final-Recipient: RFC822; rwang@axiom-micro.com
Action: failed
Status: 4.0.0
X-Supplementary-Info: <mail.ginwave.com #4.0.0 smtp;450 <rwang@axiom-micro.com>: Recipient address rejected: Valid DNS required on connecting IP>
X-Display-Name: rwang@axiom-micro.com

钉子

Valid DNS required on connecting IP
-这个错应该是对方要求和他连接的ＩＰ有反向解析，不过只是猜测，没有确认，如果想确认的话，最好和对方的管理员联系一下。看是否有这样的策略。