On Tue, 20 Apr 2004, ljacobs   wrote:

|->Has anyone else been noticing these issues with emails from hotmail.com:
|->
|->"/var/log/maillog:Apr 20 14:01:36 prajna postfix/smtpd[84843]: NOQUEUE: reject: R
|->CPT from unknown[65.54.247.15]: 554 Client host rejected: cannot find your hostn
|->ame, [65.54.247.15]; from=<[EMAIL PROTECTED]> to=<[EMAIL PROTECTED]
|->> proto=ESMTP helo=<hotmail.com>" ?

I'll add a me-too here as well. Had two people last week call and say some
of their stuff from hotmail was coming through, some not. Once I saw the
reject in the log file I knew what was wrong, but thought it odd that
Hotmail/MS did not have proper DNS. 

As a quick fix, and w/o knowing what outbound machines live on that
/24, I just whitelisted the whole /24. 

but as of today it looks like its fixed:

> dig -x 65.54.247.15

15.247.54.65.in-addr.arpa.  1H IN PTR  bay2-f15.bay2.hotmail.com.

;; AUTHORITY SECTION:
247.54.65.in-addr.arpa.  43m4s IN NS  ns1.hotmail.com.
247.54.65.in-addr.arpa.  43m4s IN NS  ns2.hotmail.com.
247.54.65.in-addr.arpa.  43m4s IN NS  ns3.hotmail.com.
247.54.65.in-addr.arpa.  43m4s IN NS  ns4.hotmail.com.

;; ADDITIONAL SECTION:
ns1.hotmail.com.        13h55m44s IN A  216.200.206.140
ns2.hotmail.com.        13h55m44s IN A  216.200.206.139
ns3.hotmail.com.        13h55m44s IN A  209.185.130.68
ns4.hotmail.com.        13h55m44s IN A  64.4.29.24

Keith


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