Install PowerMTA
Install the requirments If you already have a mail server remove it. If you want to keep current mail server,
PowerMTA test using telnet
To test PowerMTA using telnet, run Now paste following content To see logs To see PowerMTA queue, run See PowerMTA
PowerMTA IP Rotation
To setup IP rotation in PowerMTA, configure multiple IP on the server. Setup rDNS for each of these IP, point
PowerMTA route mails through another SMTP server for a domain
If you want to route emils from PowerMTA though another SMTP server, you can use following config. In this example,
Enable Web Monitor UI in PowerMTA
PowerMTA comes with a Web Monitor UI, that will show you some stats about your mail server, also able to
PowerMTA allow an IP to sent email
To allow a web server to send email through PowerMTA with out autentication, you need to edit PowerMTA configuration file
swaks – command line SMTP testing tool
swaks is a command line SMTP testing tool available at http://www.jetmore.org/john/code/swaks/ On Debian/Ubuntu, you can install it with if you
Create DKIM in PowerMTA
To generate DKIM, go to https://www.sparkpost.com/resources/tools/dkim-wizard/ On first text box, enter the domain name that you will be sending email
Change SMTP port in PowerMTA
To change SMTP port in PowerMTA, edit file Find line starting with This line specify port used by PowerMTA server.
Create SMTP user in PowerMTA
Once you have PowerMTA installed, you need to create SMTP user. To create an SMTP user, edit file Find Add
How do I view what exim is doing?
Exim comes with a utility called “exiwhat” which will display what each instance of exim is currently involved with. The
How to stop SPAM with Postfix RBL
To stop spam using RBL in postfix, edit main.cf Add Restart postfix See postfix