I have Postfix 2.11.0 with virtual domains in mysql/postfixadmin, all working well, as per setup below
user of the mydom.tld.au has also registered mydom.tld (to prevent cybersquating) sometimes they make mistakes and attempt to send emails to a_u...@mydom.tld RATHER THAN (correct email) a_u...@mydom.tld.au what is correct way/correct terminology to 'alias' (?) mydom.tld to mydom.tld.au ? with the aim so that any_existing_valid_addr...@mydom.tld.au but addressed in error without '.au' will get delivered properly? # postconf -n | grep virtual proxy_read_maps = $canonical_maps $lmtp_generic_maps $local_recipient_maps $mydestination $mynetworks $recipient_bcc_maps $recipient_canonical_maps $relay_domains $relay_recipient_maps $relocated_maps $sender_bcc_maps $sender_canonical_maps $smtp_generic_maps $smtpd_sender_login_maps $transport_maps $virtual_alias_domains $virtual_alias_maps $virtual_mailbox_domains $virtual_mailbox_maps $smtpd_sender_restrictions virtual_alias_domains = virtual_alias_maps = proxy:mysql:/etc/postfix/mysql/virtual_alias_maps.cf, proxy:mysql:/etc/postfix/mysql/domain_alias_maps.cf, proxy:mysql:/etc/postfix/mysql/catchall_maps.cf, proxy:mysql:/etc/postfix/mysql/domain_alias_catchall_maps.cf virtual_gid_maps = static:2000 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql/virtual_mailbox_domains.cf virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql/virtual_mailbox_maps.cf virtual_minimum_uid = 2000 virtual_transport = dovecot virtual_uid_maps = static:2000