swaks dur.bounceme.net fail

thufir@dur:~/Maildir$
thufir@dur:~/Maildir$ swaks
To: thufir@localhost
=== Trying localhost:25...
=== Connected to localhost.
<-  220 dur.bounceme.net ESMTP Postfix (Ubuntu)
 -> EHLO dur.bounceme.net
<-  250-dur.bounceme.net
<-  250-PIPELINING
<-  250-SIZE 10240000
<-  250-VRFY
<-  250-ETRN
<-  250-STARTTLS
<-  250-ENHANCEDSTATUSCODES
<-  250-8BITMIME
<-  250 DSN
 -> MAIL FROM:<thufir@dur.bounceme.net>
<-  250 2.1.0 Ok
 -> RCPT TO:<thufir@localhost>
<-  250 2.1.5 Ok
 -> DATA
<-  354 End data with <CR><LF>.<CR><LF>
 -> Date: Sun, 08 Jun 2014 03:18:27 -0700
 -> To: thufir@localhost
 -> From: thufir@dur.bounceme.net
 -> Subject: test Sun, 08 Jun 2014 03:18:27 -0700
 -> X-Mailer: swaks v20130209.0 jetmore.org/john/code/swaks/
 ->
 -> This is a test mailing
 ->
 -> .
<-  250 2.0.0 Ok: queued as D1880221E1D
 -> QUIT
<-  221 2.0.0 Bye
=== Connection closed with remote host.
thufir@dur:~/Maildir$
thufir@dur:~/Maildir$ swaks
To: thufir@dur.bounceme.net
=== Trying dur.bounceme.net:25...
*** Error connecting to dur.bounceme.net:25:
*** 	IO::Socket::INET6: connect: Connection refused
thufir@dur:~/Maildir$