Postfix: Configure a SmartHost with SMTP Authentication and TLS

A smart host is a type of mail relay server which allows an SMTP server to route e-mail to an intermediate mail server rather than directly to the recipient’s server. [Wikipedia]

This document aims to describe some simple steps to setup a Postfix eMail server with a SmartHost used to relay messages through. The SmartHost will be authenticated and secured trough TLS.

1. Create a password file in /etc/postfix/relay_password containing SMTP host, username and password (used for submission authentication) as shown:

Unlocking a Linksys SPA2102-R

If the update also contains the .bin file you can do upgrade initiated from your SPA-2102 device directly :

Upload the spa2102-x-x-xx.bin file to your TFTP server root directory.
Start the TFTPD service Update the SPA's config in the Provisioning screen / section Firmware Upgrade :

Upgrade Enable : YES
Upgrade Rule : tftp://IP_address_of_tftp_server/spa2102-x-x-xx.bin

After saving this your SPA-2102 will attempt FW upgrade within 1 hour.

How to configure Asterisk/FreePBX for CounterPath's Bria SoftPhone for Android/iOS or PC

This article is based on tehe original which can be found here:


Bria is the newest softphone application from CounterPath, allowing users to enjoy multimedia communications in a dynamic way.


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