At 07:03 AM 3/4/2009, Carlos Williams wrote:
Thanks for that info. Can someone also comment on this? I asked a
friend via email and this was his response to the same issue:

******************************

"I used nslookup to verify the address your queue is showing, and it
does correspond to je.jfcom.mil. But a request for the mail-exchangers
for jfcom.mil does not indicate that this host should be receiving
mail. The mail-exchangers for that domain are:

smtp01.jfcom.mil
smtp02.jfcom.mil

So this problem resolves into a new one: how did your Postfix come up
with the name je.jfcom.mil to send messages to? Did the user
explicitly specify that host as a target? Or did Postfix get bad info
from its DNS lookup of MX records? Or did something else happen to
misdirect these messages? Only a good look at the mail headers for the
offending messages will tell you that. When a message finally expires
and is sent back to its originator (or to the postmaster), you will
need to examine the headers to see at what stage of forwarding a host
made the choice to use the wrong mail exchanger. Then further work
will be needed to figure out why."

******************************

My question is how did he find smtp01.jfcom.mil? And more important,
why then is my Postfix server trying to send to a different smtp
address?


Unless I'm misreading it, there's no mx record for je.jfcom.mil , and nothing's answering on je.jfcom.mil port 25.


# dig mx je.jfcom.mil

; <<>> DiG 9.3.5-P2 <<>> mx je.jfcom.mil
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55041
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;je.jfcom.mil.                  IN      MX

;; AUTHORITY SECTION:
je.jfcom.mil. 3600 IN SOA ns1.je.jfcom.mil. root.ns1.je.jfcom.mil. 2009021100 1800 900 86400 3600

;; Query time: 114 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Mar  4 09:23:19 2009
;; MSG SIZE  rcvd: 75

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