Posfix eMail Server Smtp, Pop & Imap Client Secure Authentification with Dovecot SetUp on Linux Ubuntu Step-by-Step Easy Visual-Guide

July 17th, 2013 by Regaz

The Easy Linux Visual-Guide Shows You How-to Install, Configure and Getting-Started with the Postfix eMail MTA on Ubuntu Linux.

The Postfix+Dovecot Configuration Proposed will Permit the eMail Clients Connection and Retrieval from Your Server.

If You Do Not Already Dispose of a Working Postfix eMail Server then Before Follow the Guide to Postfix Configuration.

Included there is also a Link to How Create a Self Signed SSL Certificate Needed for Postfix+Dovecot Authentication.

Linux Gnome Penguin eMail
  1. Open Terminal Window
    (Press “Enter” to Execute Commands)

    Cmd and Search “term”

    Ubuntu Linux Raring Open Terminal
  2. Postfix eMail Server Basic Configuration:

    Posfix Server Getting-Started
  3. Install Dovecot Package
    sudo su
    apt-get install dovecot-common
  4. Configure Postfix for Smtp-Auth using Dovecot SASL
    postconf -e 'smtpd_sasl_type = dovecot'
    postconf -e 'smtpd_sasl_path = private/auth-client'
    postconf -e 'smtpd_sasl_local_domain ='
    postconf -e 'smtpd_sasl_security_options = noanonymous'
    postconf -e 'broken_sasl_auth_clients = yes'
    postconf -e 'smtpd_sasl_auth_enable = yes'
    postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'

  5. Create a Self-Signed Certificate for SSL Authentication:

    Self-Signed Certificate on Ubuntu
  6. Copy Key, CSR and Certificate for Dovecot Auth
    cp </path/2>/myKEY.pem /etc/ssl/private
    cp </path/2>/myCSR.pem /etc/ssl/certs
    cp </path/2>/myCERT.pem /etc/ssl/certs
  7. Setting Up Dovecot with SSL
    postconf -e 'smtp_tls_security_level = may'
    postconf -e 'smtpd_tls_security_level = may'
    postconf -e 'smtp_tls_note_starttls_offer = yes'
    postconf -e 'smtpd_tls_key_file = /etc/ssl/private/myKEY.pem'
    postconf -e 'smtpd_tls_cert_file = /etc/ssl/certs/myCSR.pem'
    postconf -e 'smtpd_tls_CAfile = /etc/ssl/certs/myCERT.pem'
    postconf -e 'smtpd_tls_loglevel = 1'
    postconf -e 'smtpd_tls_received_header = yes'
  8. Then Restart Postfix
    service postfix restart
  9. How-to Enable Dovecot SASL Auth for Postfix:

    Enabling Dovecot SASL Auth
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