Enabling Dovecot SASL Support for Postfix Smtp, Pop and Imap Login on Ubuntu Step-by-Step Guide

July 17, 2013 | By Duchateaux.

Enabling Dovecot SSL Support for Postfix on Ubuntu

The Easy Guide shows you How Enabling Postfix Smtp, Pop & Imap Secure Login with Dovecot on Ubuntu Linux.

The Postfix+Dovecot Configuration Proposed will Permit the eMail Client 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 Getting-Started.

Linux GNOME Penguin eMail
  1. PreRequisite Postfix Secure eMail Server SetUp.

    Getting-Started with Postfix+Dovecot
  2. Open Terminal Window
    (Press “Enter” to Execute Commands)

    Cmd and Search “term”

    Ubuntu Linux Raring Open Terminal
  3. Edit the Dovecot Configuration File

    sudo su -c "nano /etc/dovecot/dovecot.conf"


    auth default {
    mechanisms = plain login
    passdb pam {
    userdb passwd {
    socket listen {
    client {
    path = /var/spool/postfix/private/auth
    mode = 0660
    user = postfix
    group = postfix

  4. Configuring Dovecot for IMAP, IMAPS, POP3, and POP3S

    sudo su -c "apt-get install mail-stack-delivery"

  5. Create a Self-Signed Certificate for SSL Authentication

  6. Copy Server SSL 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. Set a Server SSL Certificate and Key

    sudo su -c "nano /etc/postfix/main.cf"

    Change or Set the Following Parameters:

    smtpd_tls_key_file = /etc/ssl/private/myKEY.pem
    smtpd_tls_cert_file = /etc/ssl/certs/myCSR.pem
    smtpd_tls_CAfile = /etc/ssl/certs/myCERT.pem
  8. Latest Restart Postfix

    service postfix restart

  9. How to Enable eMail Client Custom Password Auth.

  10. Then you Should Finally, Have a Fully Functional and Secure eMail Server with Smtp, Pop & Imap Login.

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