Sistema de correo con Postfix, OpenLDAP, Courier (POP3&&IMAP) + SSL), SASL, Spamassassin, Amavis-new y SquirrelMail - Habilitando la encriptación en Servidor Courier IMAP

# /usr/bin/apt-get install courier-imap-ssl
 Leyendo lista de paquetes... Hecho
 Creando árbol de dependencias... Hecho
 Se instalarán los siguientes paquetes NUEVOS:
   courier-imap-ssl
 0 actualizados, 1 se instalarán, 0 para eliminar y 9 no actualizados.
 Se necesita descargar 0B/18,5kB de archivos.
 Se utilizarán 127kB de espacio de disco adicional después de desempaquetar.
 --------------------- Sourcerer Apt Watcher ---------------------
 Configure: courier-imap-ssl
 -----------------------------------------------------------------
 (Leyendo la base de datos ...
 274822 ficheros y directorios instalados actualmente.)
 Desempaquetando courier-imap-ssl (de .../courier-imap-ssl_3.0.3-1_i386.deb) ...
 Configurando courier-imap-ssl (3.0.3-1) ...
 Generating a 1024 bit RSA private key
 ..........++++++
 ..................................................++++++
 writing new private key to '/usr/lib/courier/imapd.pem'
 -----
 1024 semi-random bytes loaded
 Generating DH parameters, 512 bit long safe prime, generator 2
 This is going to take a long time
 ..........................................++*++*++*++*++*++*
 subject= /C=US/ST=NY/L=New York/O=Courier Mail Server/OU=Automatically-generated IMAP
 SSL key/CN=localhost/emailAddress=postmaster@example.com
 notBefore=Jun  6 16:35:58 2004 GMT
 notAfter=Jun  6 16:35:58 2005 GMT
 MD5 Fingerprint=59:94:B8:E5:54:6B:DE:4D:33:08:F9:90:74:81:1F:0B
 Starting Courier IMAP-SSL server: imapd-ssl.
 
 

# /usr/bin/apt-cache shoe courier-imap-ssl
 Package: courier-imap-ssl
 Priority: extra
 Section: mail
 Installed-Size: 124
 Maintainer: Stefan Hornburg (Racke) <racke@linuxia.de>
 Architecture: i386
 Source: courier (0.45.4-1)
 Version: 3.0.3-1
 Depends: courier-imap (>= 1.3.7-3), courier-ssl (>= 0.45.4), openssl
 Suggests: imap-client
 Filename: pool/main/c/courier/courier-imap-ssl_3.0.3-1_i386.deb
 Size: 18514
 MD5sum: 4af6baf8397602608b4a19035db6b7c3
 Description: Courier Mail Server - IMAP over SSL
  IMAP over SSL is handled by the regular IMAP daemon from courier-imap
  in conjunction with the SSL/TLS wrapper supplied by courier-ssl.