Thank you Wietse and Viktor
After experimenting it looks like my best choices are using
either the transport map or the relocated map (instead of access map)
Both transport/relocated maps deal with the .forward/aliases issue.
The advantage of the relocated map is it does the address matchin
I moved from an old sendmail based mail server to a new Postfix one
recently. On the old system when a user account was closed I would put an
entry in a access map for sendmail like
To:olduser@ERROR:"505 Disabled user account"
and this would work fine to prevent any email delivery for t