Firewall disabled; yet "connection refused"

[Braden McDaniel <braden@xxxxxxxxxxxxx>]

I'm trying to set up dovecot on a fresh installation of Fedora 16.   
This is an obvious problem:

  $ telnet rail 143
  Trying 10.0.0.21...
  telnet: connect to address 10.0.0.21: Connection refused

localhost works:

  $ telnet localhost 143
  Trying ::1...
  Connected to localhost.
  Escape character is '^]'.
  * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID  
ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.

After first trying to permit traffic on port 143 in the firewall  
configuration, I've now disabled it altogether:

  $ systemctl status iptables.service
  iptables.service - IPv4 firewall with iptables
  	  Loaded: loaded (/lib/systemd/system/iptables.service; disabled)
  	  Active: inactive (dead)
  	          start condition failed at Sat, 27 Mar 1999 03:25:13  
-0500; 13 years and 0 months ago
  	  CGroup: name=systemd:/system/iptables.service
  $ systemctl status ip6tables.service
  ip6tables.service - IPv6 firewall with ip6tables
  	  Loaded: loaded (/lib/systemd/system/ip6tables.service; disabled)
  	  Active: inactive (dead)
  	          start condition failed at Sat, 27 Mar 1999 03:25:13  
-0500; 13 years and 0 months ago
  	  CGroup: name=systemd:/system/ip6tables.service

? yet I still get "connection refused" as above.

If not the firewall, what's the culprit here?

--
Braden McDaniel                           e-mail: <braden@xxxxxxxxxxxxx>
<http://endoframe.com>                    Jabber: <braden@xxxxxxxxxx>
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