courier not propperly relaying

[Igor Gueths]

Hi all. I've made some significant progress with Courier, however I 
still am running into a problem when trying to send mail to another 
domain. I can send mail locally perfectly fine, however I get something 
similar to the following in syslog: Feb 10 10:12:52 igueths 
courieresmtp: 
id=0008FB42.4028F4F4.00000A83,from=<root at lava-net.com>,addr=<alex_snow at gmx.net>: 
Connection closed by remote host.
Feb 10 10:12:52 igueths courieresmtp: 
id=0008FB42.4028F4F4.00000A83,from=<root at lava-net.com>,addr=<alex_snow at gmx.net>,status: 
deferred
Feb 10 10:12:52 igueths courierd: 
completed,id=0008FB42.4028F4F4.00000A83

What could I be doing wrong to have the connection be closed by my own 
server? Could it be a syntactical error in esmtproutes? My esmtproutes 
file looks like this: lava-net.com: [127.0.0.1]

I also have 127.0.0.1 in smtpaccess so that relaying is allowed...I've 
also looked through the courier manpage, and everything seems to be set 
correctly from what I can tell. Any ideas as to what I could be 
missing/not doing correctly? Thanks!