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

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.

1. PreRequisite Postfix Secure eMail Server SetUp.

   Getting-Started with Postfix+Dovecot

   
   Posfix+Dovecot Secure eMail Server SetUp

2. Open Terminal Window
   (Press “Enter” to Execute Commands)

   Cmd and Search “term”

   

   In case first see: Terminal QuickStart Guide.

3. Edit the Dovecot Configuration File

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

   Append:

   auth default {
   mechanisms = plain login
   passdb pam {
   }/nuserdb passwd {
   }
   socket listen {
   client {
   path = /var/spool/postfix/private/auth
   mode = 0660/nuser = 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

   Self-Signed Certificate on Ubuntu

   
   Link to Guide on How to Generate a Self-Signed Certificate on Ubuntu Linux.

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.

   Dovecot Set Custom Password

   Link to Guide for Dovecot SASL Secure Custom Password Login Auth SetUp.

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