Debian packages are made available by David Everly.
Emilda and other required packages are available for Debian/Sarge.
Put the following in your /etc/apt/sources.list to access:
deb http://users.adelphia.net/~david.everly emilda/sarge/ deb-src http://users.adelphia.net/~david.everly emilda/sarge/
After an apt-get update, issuing apt-get install emilda will install emilda with required packages.
