Postfix Mail

How to send mails in POSTFIX through external SMTP

This short guide shows how you can set up Postfix to relay…

Postfix Mail
Postfix Mail

This short guide shows how you can set up Postfix to relay emails through another mailserver. This can be useful if you run a Postfix mailserver in your local network and have a dynamic IP address because most dynamic IP addresses are blacklisted today. By relaying your emails through another mailserver that is hosted on a static IP address in a data center (e.g. your ISP’s mailserver) you can prevent your emails from being categorized as spam.

First step, you will need to make changes in your configuration file (in standard postfix configuration it would be /etc/postfix/main.cf). You need to add at the end of configuration file following lines:

I’m going to use Nano editor to edit my configuration file.

nano /etc/postfix/main.cf

Configuration