Hello list,
Now a days we are getting lots of spam emails from our own email-ids. I want to
block this. I have tried to block senders domains which are local and not doing
smtp-auth. While implementing I come across a new problem like, when I rejected
a spam coming from my own email-id from another spam server, I got
Bounce-Notification message also. As the account(my email id) is local, it
entitled to get the Bounce Notification. How to overcome this issue? Any
suggestion or reading.
Postconf -n
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
local_destination_concurrency_limit = 5
mail_owner = postfix
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
maximal_queue_lifetime = 15d
message_size_limit = 30240000
mydestination = $myhostname, $mydomain, mx1.$mydomain, localhost.$mydomain
mynetworks = x.x.x.x/32, 127.0.0.0/8,x.x.x.x/32,x.x.x.x
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
recipient_bcc_maps = hash:/etc/postfix/recipient_bcc
recipient_canonical_maps = hash:/etc/postfix/hashfiles/postfix_canonical
relay_domains = /etc/postfix/hashfiles/relay_domains
relay_recipient_maps = hash:/etc/postfix/hashfiles/relay_recipients
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sender_bcc_maps = hash:/etc/postfix/sender_bcc
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_banner = $myhostname ESMTP UBE prohibited.
smtpd_helo_restrictions = check_helo_access
hash:/etc/postfix/hashfiles/postfix_helo
smtpd_recipient_restrictions =
permit_mynetworks
check_recipient_access pcre:/etc/postfix/ascii.pcre
permit_sasl_authenticated
check_sender_access hash:/etc/postfix/check_backscatterer
reject_invalid_hostname
reject_non_fqdn_sender
reject_non_fqdn_recipient
reject_unauth_destination
/* check_sender_access hash:/etc/postfix/access_sender */
check_sender_access hash:/etc/postfix/hashfiles/postfix_sender
reject_rbl_client sbl-xbl.spamhaus.org
reject_rbl_client list.dsbl.org
reject_rbl_client dnsbl.sorbs.net
reject_rbl_client bl.spamcop.net
reject_rbl_client cbl.abuseat.org
reject_rbl_client multi.uribl.com
reject_rbl_client dsn.rfc-ignorant.org
reject_rbl_client dul.dnsbl.sorbs.net
reject_rbl_client ix.dnsbl.manitu.net
reject_rbl_client combined.rbl.msrbl.net
reject_rbl_client rabl.nuclearelephant.com
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
cat /etc/postfix/access_sender
abc.com REJECT
I am trying to reject the mails which is coming from a...@abc.com without
smtp-authentication. It is being rejected but the bounce message is getting
delivered to a...@abc.com as this domain and email is local. This is the
problem.
Bijayant Kumar
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