
Roundcube disable multiple identities
Edit Find Setting value of identities_level disallow users to change from email address. See Roundcube

Enable debug mode in Roundcube webmail
To enable debug mode in roundcube webmail, edit file Update the vairable See Roundcube

Roundcube
Roundcube Webmail Logs in Cpanel Server Enable debug mode in Roundcube webmail Roundcube disable multiple identities Roundcube add generic message

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.