pvdisplay
pvdisplay is used to display all physical volumes on a LVM. root@server12:~# pvdisplay — Physical volume — PV Name /dev/sda3 VG Name…
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Reset MySQL root password on Bitnami server
To reset MySQL root password on Bitnami server, first check MySQL server version you are running. mysql –version Create a file vi…
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, all outgoing…
CentOS 6 Invalid release/repo/arch combination
When i run yum update on a CentOS 6 server, i get error “Invalid release/repo/arch combination/”. This error is due to CentOS…
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 run some…
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 vi /etc/pmta/config…
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 the command if you…
Create DKIM in PowerMTA
To generate DKIM, run the command This will create 2 files. private.pem and public.pem Create a file and copy the content of…
Change SMTP port in PowerMTA
To change SMTP port in PowerMTA, edit file vi /etc/pmta/config Find line starting with smtp-listener This line specify port used by PowerMTA…
Create SMTP user in PowerMTA
Once you have PowerMTA installed, you need to create SMTP user. To create an SMTP user, edit file vi /etc/pmta/config Find #…