Dovecot

Dovecot is a Mail Delivery Agent, written with security primarily in mind.

Install and configure in Ubuntu Ubuntu 14.04 LTS

apt-get install dovecot-imapd dovecot-pop3d
create self-signed ssl sertificate? yes
hostname: mail.example.org
service dovecot status
postconf -e 'home_mailbox = Maildir/'
service postfix restart
vim /etc/dovecot/conf.d/10-mail.conf
mail_location = maildir:/home/%u/Maildir
service dovecot restart
openssl s_client -connect localhost:993 # check IMAPS connection, port 993

A1 LOGIN userx passwordx
A2 LIST "" "*"
A3 EXAMINE INBOX

Create self signed cert

   1 cd /etc/dovecot
   2 openssl genrsa -out server.key 2048
   3 openssl req -new -key server.key -out server.csr
   4 ###
   5 Country Name (2 letter code) [AU]:PT
   6 State or Province Name (full name) [Some-State]:
   7 Locality Name (eg, city) []:
   8 Organization Name (eg, company) [Internet Widgits Pty Ltd]:mail.bitarus.mooo.com
   9 Organizational Unit Name (eg, section) []:mail.bitarus.mooo.com
  10 Common Name (e.g. server FQDN or YOUR name) []:mail.bitarus.mooo.com
  11 Email Address []:vitor@bitarus.mooo.com
  12 Please enter the following 'extra' attributes
  13 to be sent with your certificate request
  14 A challenge password []:
  15 An optional company name []:
  16 
  17 openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt
  18 service dovecot restart