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 #…
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. exiwhat The output…
How to stop SPAM with Postfix RBL
To stop spam using RBL in postfix, edit main.cf vi /etc/postfix/main.cf Add smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_invalid_hostname, reject_unauth_pipelining, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_non_fqdn_recipient,…
Postfix enable Maildir
To enable postfix, run postconf -e “home_mailbox = Maildir/” systemctl restart postfix You can do it by editing /etc/postfix/main.cf vi /etc/postfix/main.cf Add…
fatal: open /etc/postfix/main.cf: Permission denied
On a CentOS server, when sending mail from PHP scripts, mail failed to work. On checking postfix log file (/var/log/maillog), i see…
Postfix email forward
On an Ubuntu Server, i done following to setup email forwarding. Install postfix apt -y install postfix Edit /etc/postfix/main.cf, add following vi…
iredmail
iRedMail allow you to run your own mail server easily. It use postfix mail server for mail delivery. https://www.iredmail.org iredmail increase mail…