#!/bin/bash # Ensure we are up-to-date and have postfix installed yum update -y yum install postfix -y # Create user for handling mail useradd -m -s /sbin/nologin incoming # Remove defaults that may interfere sed -i -e 's/^\s*\(inet_interfaces\s*=\)/#\1/' \ -e 's/^\s*\(mydestination\s*=\)/#\1/' \ -e 's/^\s*\(mynetworks\s*=\)/#\1/' \ -e 's/^\s*\(home_mailbox\s*=\)/#\1/' \ -e 's/^\s*\(alias_maps\s*=\)/#\1/' \ /etc/postfix/main.cf # Configure postfix cat <> /etc/postfix/main.cf # HOSTING CONFIG FOR EMAIL PARSING inet_interfaces = all mynetworks = 127.0.0.1/32 virtual_alias_maps = regexp:/etc/postfix/virtual_aliases virtual_alias_domains = accounts.hosting.com home_mailbox = Maildir/ EOF # Disable ALL bounces sed -i 's/^\(.*\)bounce$/\1discard/' /etc/postfix/master.cf # Write aliases for users we want to handle mail for cat < /etc/postfix/virtual_aliases /^[0-9]+-[0-9]+@accounts\.hosting\.com$/ incoming /^support@accounts\.hosting\.com$/ incoming EOF # Restart postfix systemctl restart postfix