Webmin – Read User Mail Error ‘The mail server in the module configuration was not found on your system’
Nov17

Webmin – Read User Mail Error ‘The mail server in the module configuration was not found on your system’

KB ID 0000885  Problem While setting up and configuring a new Postfix mail server, I attempted to use the Webmin ‘Read User Mail’ module, and got this error. Module Config Read User Mail The mail server set in the module configuration was not found on your system, You will need to adjust the configuration to use the correct server. Solution At first I thought I needed to enter a servername into the config. However it seems...

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SquirrelMail – Error connecting to IMAP server 13 : Permission Denied
Nov17

SquirrelMail – Error connecting to IMAP server 13 : Permission Denied

KB ID 0000880  Problem After installing SquirrelMail (with Postfix and Dovecot). When I attempted to connect via a browser, this is what happened. Solution Nice easy fix, 1. Connect via SSH (or open a temrinal window) > Logon as, or su to root. 2. Execute the following command; setsebool -P http_can_network_connect=1 Related Articles, References, Credits, or External Links...

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Configure Postfix for SASL Authentication from Dovecot
Nov17

Configure Postfix for SASL Authentication from Dovecot

KB ID 0000883  Problem I built a Postfix mail server with Dovecat on CentOS 6.4 installed last week. To read my emails I installed SquirrelMail on the same server, and surprisingly it all went well. However If I attempted to send mail from Microsoft Outlook on my laptop, or from my iPhone this happened; The following recipient(s) cannot be reached:       ‘name@domain-name.com’ on 22/11/2013 22:21 Server error: ‘554...

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Postfix – Change The ‘Welcome Banner’
Nov17

Postfix – Change The ‘Welcome Banner’

KB ID 0000907 Problem After my recent DNS troubles, I was checking my mail server’s (MX) records, and got a warning about not having any reverse lookup records (PTR) configured properly. I telnetted to the mail server on port 25, and saw it was responding with the servers host-name. I know my records are correct for the FQDN of the server, I just needed to change its welcome banner. Solution Change the Postfix Welcome Banner by...

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