How do I start / stop / restart my postfix mail server under Linux or UNIX operating systems?
I‘ve multiple virtual domain hosted on CentOS Postfix server. How do I forward selected virtual domain email to yahoo / gmail or other email account using Postfix email server?
I‘ve central mail server gateway. All of our internal systems through this box. How do I remove or hide the hostnames and IP addresses of our internal systems from the messages headers before they go out to other users for security purpose?
Q. How do I block all PDF or ZIP files attachments under Postfix Mail Server? A. You can easily block email attachments using mime header check. Open postfix config file Login as the root, enter: # vi /etc/postfix/main.cf Block zip or pdf files Use mime_header_checks postfix config directive, enter: mime_header_checks = regexp:/etc/ostfix/block_attachments Save and close [...]
