On 08.11.18 01:31, Kai Schaetzl wrote:
Thanks for the answer. But, please look again.

/etc/mail/access:
createsend.com  REJECT
cmail20.com REJECT

On 08.11.18 12:06, Matus UHLAR - fantomas wrote:
you should specify .createsend.com, because the connecting domain is
mx17.a.outbound.createsend.com, not createsend.com.  You apparently did not
set append_dot_mydomain=yes (don't!).

sorry, short brain outage.
the problem lies in "parent_domain_matches_subdomains" which is (and should
be) empty in postfix and apparently even is in new postfix version.


Nov  7 14:15:24 b04 postfix/smtpd[6584]: NOQUEUE: reject: RCPT from
mx17.a.outbound.createsend.com[203.55.21.17]: 554 5.7.1
<u...@cmail20.com>: Sender address rejected: Access denied;
from=<u...@cmail20.com> to=<u...@example.com> proto=ESMTP
helo=<mx17.a.outbound.createsend.com>

The order is:
    check_sender_access hash:/etc/mail/allow_senders,
-> this file does not contain matching data!
    check_client_access hash:/etc/mail/allow_clients,
    check_client_access hash:/etc/mail/access,
-> this is first in order and contains matching data!
    check_sender_access hash:/etc/mail/access,
-> but it matches only in the next step!

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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