"Jeremy C. Reed" wrote:
> 
> On Thu, 26 Jun 2003, William Allen Simpson wrote:
> 
> >   MDeferred: Connection refused by localhost.citi.umich.edu.
> 
> Why is it trying that server? Is that the right server to send to? (Is
> your DNS correct?)
> 
I would have thought localhost.  Something (presumably the search 
path in /etc/resolv.conf) is seeing a failure on localhost, and trying 
localhost.citi.umich.edu.  Fortunately, it exists.

dreamer: {6} cat /etc/resolv.conf
;
; BIND data file
; Created by NetBSD sysinst on Fri May 30 21:34:04 2003
;
nameserver 141.211.133.111
search citi.umich.edu

dreamer: {7} dig localhost.citi.umich.edu.

; <<>> DiG 8.3 <<>> localhost.citi.umich.edu.
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23515
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3
;; QUERY SECTION:
;;      localhost.citi.umich.edu, type = A, class = IN

;; ANSWER SECTION:
localhost.citi.umich.edu.  1D IN A  127.0.0.1

;; AUTHORITY SECTION:
citi.umich.edu.         1D IN NS        citi.umich.edu.
citi.umich.edu.         1D IN NS        dns2.itd.umich.edu.

;; ADDITIONAL SECTION:
citi.umich.edu.         1D IN A         141.211.133.111
citi.umich.edu.         1D IN A         141.211.92.141
dns2.itd.umich.edu.     1d8h8m42s IN A  141.211.125.15


> Just for testing, did you try to connect manually to that server using
> SMTP (like "telnet localhost.citi.umich.edu 25")?
> 
dreamer: {8} telnet localhost 25
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
Trying 127.0.0.1...
telnet: Unable to connect to remote host: Connection refused

I'd guess that last is localhost.citi.umich.edu.

-- 
William Allen Simpson
    Key fingerprint =  17 40 5E 67 15 6F 31 26  DD 0D B9 9B 6A 15 2C 32