there's nothing triggers the bcc .
Sep 7 04:58:08 server2 postfix/cleanup[22350]: 5221A1EE0C23: message-id=<55ED0195.4010101@senderdomain.com>
Sep 7 04:58:08 server2 postfix/qmgr[28008]: 5221A1EE0C23: from=<said@senderdomain.com>, size=2048, nrcpt=1 (queue active)
Sep 7 04:58:08 server2 postfix/smtpd[22343]: disconnect from smtp3.senderdomain.com[x.x.x.x]
Sep 7 04:58:09 server2 postfix/smtpd[22354]: connect from server2.recipientdomain.com[127.0.0.1]
Sep 7 04:58:09 server2 postfix/smtpd[22354]: BD2D51EE0C3A: client=server2.recipientdomain.com[127.0.0.1]
Sep 7 04:58:09 server2 postfix/cleanup[22350]: BD2D51EE0C3A: message-id=<55ED0195.4010101@senderdomain.com>
Sep 7 04:58:09 server2 postfix/smtpd[22354]: disconnect from server2.recipientdomain.com[127.0.0.1]
Sep 7 04:58:09 server2 postfix/qmgr[28008]: BD2D51EE0C3A: from=<said@senderdomain.com>, size=2536, nrcpt=1 (queue active)
Sep 7 04:58:09 server2 amavis[2079]: (02079-14) Passed CLEAN {RelayedInternal}, MYUSERS LOCAL [x.x.x.x]:53903 [41.136.134.97] <said@senderdomain.com> -> <info@
Sep 7 04:58:09 server2 postfix/smtp[22351]: 5221A1EE0C23: to=<info@recipientdomain.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.7, delays=0.31/0.01/0/1.4, dsn=2.0.0,
Sep 7 04:58:09 server2 postfix/qmgr[28008]: 5221A1EE0C23: removed
Sep 7 04:58:10 server2 postfix/pipe[22355]: BD2D51EE0C3A: to=<info@recipientdomain.com>, relay=dovecot, delay=0.27, delays=0.07/0.01/0/0.19, dsn=2.0.0, status=sent (deli
Sep 7 04:58:10 server2 postfix/qmgr[28008]: BD2D51EE0C3A: removed
the same issue is there with always_bc, and user bcc rules
Note : i have changed the domains names