I am a victim of massive amounts or email being rejected(that did not
originate from my server) and sent to a user that does not exist on my
server, which in turn gets forwarded to the admin email address. I want to
Reject Unknown Local Recipients with Postfix/DBMAIL.
This is what's happening,
http://www.postfix.org/BACKSCATTER_README.html
I have this setting in mail.cf,
mailbox_transport = dbmail-lmtp:localhost:24
local_recipient_maps = mysql:/etc/postfix/sql-recipients.cf
this is sql-recipients.cf,
user = dbmail
password = mypw
hosts = localhost
dbname = dbmail
table = dbmail_aliases
select_field = alias
where_field = alias
And the postfix docs say,
"If a local username or address is not listed in $local_recipient_maps, then
the Postfix SMTP server will reject the address with "User unknown in local
recipient table"
http://www.postfix.org/LOCAL_RECIPIENT_README.html..
...is this a dbmail config setting I need to change?
Thanks,
Jim
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