[mew-int 2812] Connection refused when installing from source

I think this is not direct related with Mew but maybe someone has some
thoughts. Bear with me.

I am using Ubuntu 9.10 and when I install Mew from the repositories --
either version 6.2 or 6.2.51 -- or the 6.3 debian package from sid I
can retrieve my e-mail using IMAP but, when I try installing and using
the sources from either the stable 6.3 from mew.org or the git one I
receive this message as soon as Mew starts or I try to "s" my e-mails:

 open-network-stream: make client process failed: conexão recusada,
 :name,  *Mew dummy*, :buffer, nil, :host, 127.0.0.1, :service, 8155

The "conexão recusada" is in Portuguese and it's translated to
"connection refused".

Does someone ever experienced this behavior and know how to fix it? I
would like to use the source version of Mew.

I think it might be something related to where the files are placed
when I install them. Using a deb package, the files are placed under
"/usr" but when I install using the sources, they are placed under
"/usr/local". But I am just guessing.

-- 
Diogo F. S. Ramos