Re: soft_bounce=yes in postmulti setup

[mailing list subscriber]

update: interesting, header_check gives 5xx but user unknown gives
correct 4xx response:

Jul 30 01:49:01 mailhost postfix-in/smtpd[3685]: NOQUEUE: reject: RCPT
from relay3.isp.ro[IP_ADDR]: 450 4.1.1 <oldu...@mydomain.ro>:
Recipient address rejected: User unknown;
from=<s-v7burw4u3lv5-gwhyo_rzjg7ilngyak_j2bcir-pyqceigw_02m...@bounce.linkedin.com>
to=<oldu...@mydomain.ro> proto=ESMTP helo=<relay3.isp.ro>