i have
acl_check_rcpt:
accept hosts = +relay_from_hosts
accept hosts = +acception
require verify = recipient
...
i suspect this is not configured to do as i expect. i am hoping to
respond to the sender with a 5xx if the user is not known so that a
sending postfix, configured with
reject_unverified_recipient
will know to drop as opposed to forwarding to me, cf.
https://www.postfix.org/ADDRESS_VERIFICATION_README.html
ยง Recipient address verification
clue bat please
randy
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