Viktor Dukhovni wrote:
On Sat, May 29, 2021 at 11:30:51AM -0500, David Favor wrote:
# cat /etc/postfix/sender_dependant_default_transport
/.*@davidfavor.com/ :
/.*@fixdeliver.com/ :
/.*/ discard:
7) Sending message still allows random sending domains...
The transport table only selects a delivery channel, you've chosen
discard as the delivery channel for messages from unexpected domains.
# echo test | mailx -r some...@foo.com -s "Test Message - $(date)"
da...@davidfavor.com
May 29 11:29:47 net17-david-favor-smtp postfix/qmgr[48007]: F25241BA2030:
from=<some...@foo.com>, size=430, nrcpt=1 (queue active)
May 29 11:29:47 net17-david-favor-smtp postfix/discard[48021]: F25241BA2030:
to=<da...@davidfavor.com>,
----------------------
relay=none, delay=0.01, delays=0.01/0/0/0, dsn=2.0.0, status=sent
(davidfavor.com)
----------
The message was discarded (delivered nowhere, as requested).
Mention what to use in place "discard" to block disallowed sending domains,
then log a message with DNS != 2.0.0 as the reason code.
Thanks.
