>>> #
>>> # Initialize.
>>> #
>>> #! ../bin/postmap smtpd_check_access
>>> #msg_verbose 1
>>> smtpd_delay_reject 0
OK
>>> mynetworks 127.0.0.0/8,168.100.189.0/28
OK
>>> relay_domains porcupine.org
OK
>>> maps_rbl_domains dnsbltest.porcupine.org
OK
>>> #
>>> # Test the client restrictions.
>>> #
>>> client_restrictions permit_mynetworks,reject_unknown_client,check_client_access,hash:./smtpd_check_access
OK
>>> client unknown 131.155.210.17
./smtpd_check: <queue id>: reject: CONNECT from unknown[131.155.210.17]: 450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]; proto=SMTP
450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]
>>> client unknown 168.100.189.13
OK
>>> client random.bad.domain 123.123.123.123
./smtpd_check: <queue id>: reject: CONNECT from random.bad.domain[123.123.123.123]: 554 5.7.1 <random.bad.domain[123.123.123.123]>: Client host rejected: match bad.domain; proto=SMTP
554 5.7.1 <random.bad.domain[123.123.123.123]>: Client host rejected: match bad.domain
>>> client friend.bad.domain 123.123.123.123
OK
>>> client bad.domain 123.123.123.123
./smtpd_check: <queue id>: reject: CONNECT from bad.domain[123.123.123.123]: 554 5.7.1 <bad.domain[123.123.123.123]>: Client host rejected: match bad.domain; proto=SMTP
554 5.7.1 <bad.domain[123.123.123.123]>: Client host rejected: match bad.domain
>>> client wzv.win.tue.nl 131.155.210.17
OK
>>> client aa.win.tue.nl 131.155.210.18
./smtpd_check: <queue id>: reject: CONNECT from aa.win.tue.nl[131.155.210.18]: 554 5.7.1 <aa.win.tue.nl[131.155.210.18]>: Client host rejected: match 131.155.210; proto=SMTP
554 5.7.1 <aa.win.tue.nl[131.155.210.18]>: Client host rejected: match 131.155.210
>>> client_restrictions permit_mynetworks
OK
>>> #
>>> # Test the helo restrictions
>>> #
>>> helo_restrictions permit_mynetworks,reject_unknown_client,reject_invalid_hostname,reject_unknown_hostname,check_helo_access,hash:./smtpd_check_access
OK
>>> client unknown 131.155.210.17
OK
>>> helo foo.
./smtpd_check: <queue id>: reject: HELO from unknown[131.155.210.17]: 450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]; proto=SMTP helo=<foo.>
450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]
>>> client foo 123.123.123.123
OK
>>> helo foo.
./smtpd_check: <queue id>: reject: HELO from foo[123.123.123.123]: 450 4.7.1 <foo.>: Helo command rejected: Host not found; proto=SMTP helo=<foo.>
450 4.7.1 <foo.>: Helo command rejected: Host not found
>>> helo foo
./smtpd_check: <queue id>: reject: HELO from foo[123.123.123.123]: 450 4.7.1 <foo>: Helo command rejected: Host not found; proto=SMTP helo=<foo>
450 4.7.1 <foo>: Helo command rejected: Host not found
>>> helo spike.porcupine.org
./smtpd_check: <queue id>: reject: HELO from foo[123.123.123.123]: 554 5.7.1 <spike.porcupine.org>: Helo command rejected: name server spike.porcupine.org; proto=SMTP helo=<spike.porcupine.org>
554 5.7.1 <spike.porcupine.org>: Helo command rejected: name server spike.porcupine.org
>>> helo_restrictions permit_mynetworks,reject_unknown_client,reject_invalid_hostname,check_helo_access,hash:./smtpd_check_access
OK
>>> helo random.bad.domain
./smtpd_check: <queue id>: reject: HELO from foo[123.123.123.123]: 554 5.7.1 <random.bad.domain>: Helo command rejected: match bad.domain; proto=SMTP helo=<random.bad.domain>
554 5.7.1 <random.bad.domain>: Helo command rejected: match bad.domain
>>> helo friend.bad.domain
OK
>>> #
>>> # Test the sender restrictions
>>> #
>>> sender_restrictions permit_mynetworks,reject_unknown_client
OK
>>> client unknown 131.155.210.17
OK
>>> mail foo@watson.ibm.com
./smtpd_check: <queue id>: reject: MAIL from unknown[131.155.210.17]: 450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]; from=<foo@watson.ibm.com> proto=SMTP helo=<friend.bad.domain>
450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]
>>> client unknown 168.100.189.13
OK
>>> mail foo@watson.ibm.com
OK
>>> client foo 123.123.123.123
OK
>>> mail foo@watson.ibm.com
OK
>>> sender_restrictions reject_unknown_address
OK
>>> mail foo@watson.ibm.com
OK
>>> mail foo@bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 450 4.1.8 <foo@bad.domain>: Sender address rejected: Domain not found; from=<foo@bad.domain> proto=SMTP helo=<friend.bad.domain>
450 4.1.8 <foo@bad.domain>: Sender address rejected: Domain not found
>>> sender_restrictions check_sender_access,hash:./smtpd_check_access
OK
>>> mail bad-sender@any.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <bad-sender@any.domain>: Sender address rejected: match bad-sender@; from=<bad-sender@any.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <bad-sender@any.domain>: Sender address rejected: match bad-sender@
>>> mail bad-sender@good.domain
OK
>>> mail reject@this.address
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <reject@this.address>: Sender address rejected: match reject@this.address; from=<reject@this.address> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <reject@this.address>: Sender address rejected: match reject@this.address
>>> mail Reject@this.address
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <Reject@this.address>: Sender address rejected: match reject@this.address; from=<Reject@this.address> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <Reject@this.address>: Sender address rejected: match reject@this.address
>>> mail foo@bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <foo@bad.domain>: Sender address rejected: match bad.domain; from=<foo@bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@bad.domain>: Sender address rejected: match bad.domain
>>> mail foo@Bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <foo@Bad.domain>: Sender address rejected: match bad.domain; from=<foo@Bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@Bad.domain>: Sender address rejected: match bad.domain
>>> mail foo@random.bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <foo@random.bad.domain>: Sender address rejected: match bad.domain; from=<foo@random.bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@random.bad.domain>: Sender address rejected: match bad.domain
>>> mail foo@friend.bad.domain
OK
>>> #
>>> # Test the recipient restrictions
>>> #
>>> recipient_restrictions permit_mynetworks,reject_unknown_client,check_relay_domains
OK
>>> client unknown 131.155.210.17
OK
>>> rcpt foo@watson.ibm.com
./smtpd_check: <queue id>: reject: RCPT from unknown[131.155.210.17]: 450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]; from=<foo@friend.bad.domain> to=<foo@watson.ibm.com> proto=SMTP helo=<friend.bad.domain>
450 4.7.1 Client host rejected: cannot find your hostname, [131.155.210.17]
>>> client unknown 168.100.189.13
OK
>>> rcpt foo@watson.ibm.com
OK
>>> client foo 123.123.123.123
OK
>>> rcpt foo@watson.ibm.com
./smtpd_check: warning: support for restriction "check_relay_domains" will be removed from Postfix; use "reject_unauth_destination" instead
./smtpd_check: <queue id>: reject: RCPT from foo[123.123.123.123]: 554 5.7.1 <foo@watson.ibm.com>: Recipient address rejected: Relay access denied; from=<foo@friend.bad.domain> to=<foo@watson.ibm.com> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@watson.ibm.com>: Recipient address rejected: Relay access denied
>>> rcpt foo@porcupine.org
OK
>>> recipient_restrictions check_relay_domains
OK
>>> client foo.porcupine.org 168.100.189.13
OK
>>> rcpt foo@watson.ibm.com
OK
>>> rcpt foo@porcupine.org
OK
>>> client foo 123.123.123.123
OK
>>> rcpt foo@watson.ibm.com
./smtpd_check: <queue id>: reject: RCPT from foo[123.123.123.123]: 554 5.7.1 <foo@watson.ibm.com>: Recipient address rejected: Relay access denied; from=<foo@friend.bad.domain> to=<foo@watson.ibm.com> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@watson.ibm.com>: Recipient address rejected: Relay access denied
>>> rcpt foo@porcupine.org
OK
>>> recipient_restrictions check_recipient_access,hash:./smtpd_check_access
OK
>>> mail bad-sender@any.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <bad-sender@any.domain>: Sender address rejected: match bad-sender@; from=<bad-sender@any.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <bad-sender@any.domain>: Sender address rejected: match bad-sender@
>>> mail bad-sender@good.domain
OK
>>> mail reject@this.address
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <reject@this.address>: Sender address rejected: match reject@this.address; from=<reject@this.address> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <reject@this.address>: Sender address rejected: match reject@this.address
>>> mail foo@bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <foo@bad.domain>: Sender address rejected: match bad.domain; from=<foo@bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@bad.domain>: Sender address rejected: match bad.domain
>>> mail foo@random.bad.domain
./smtpd_check: <queue id>: reject: MAIL from foo[123.123.123.123]: 554 5.7.1 <foo@random.bad.domain>: Sender address rejected: match bad.domain; from=<foo@random.bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <foo@random.bad.domain>: Sender address rejected: match bad.domain
>>> mail foo@friend.bad.domain
OK
>>> #
>>> # RBL
>>> #
>>> client_restrictions reject_maps_rbl
OK
>>> client spike.porcupine.org 168.100.189.2
./smtpd_check: warning: support for restriction "reject_maps_rbl" will be removed from Postfix; use "reject_rbl_client domain-name" instead
OK
>>> client foo 127.0.0.2
./smtpd_check: <queue id>: reject: CONNECT from foo[127.0.0.2]: 554 5.7.1 Service unavailable; Client host [127.0.0.2] blocked using dnsbltest.porcupine.org; from=<foo@friend.bad.domain> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 Service unavailable; Client host [127.0.0.2] blocked using dnsbltest.porcupine.org
>>> #
>>> # unknown sender/recipient domain
>>> #
>>> unknown_address_reject_code 554
OK
>>> recipient_restrictions reject_unknown_recipient_domain,reject_unknown_sender_domain
OK
>>> mail wietse@porcupine.org
OK
>>> rcpt wietse@porcupine.org
OK
>>> rcpt wietse@no.recipient.domain
./smtpd_check: <queue id>: reject: RCPT from foo[127.0.0.2]: 554 5.1.2 <wietse@no.recipient.domain>: Recipient address rejected: Domain not found; from=<wietse@porcupine.org> to=<wietse@no.recipient.domain> proto=SMTP helo=<friend.bad.domain>
554 5.1.2 <wietse@no.recipient.domain>: Recipient address rejected: Domain not found
>>> mail wietse@no.sender.domain
OK
>>> rcpt wietse@porcupine.org
./smtpd_check: <queue id>: reject: RCPT from foo[127.0.0.2]: 554 5.1.8 <wietse@no.sender.domain>: Sender address rejected: Domain not found; from=<wietse@no.sender.domain> to=<wietse@porcupine.org> proto=SMTP helo=<friend.bad.domain>
554 5.1.8 <wietse@no.sender.domain>: Sender address rejected: Domain not found
>>> #
>>> # {permit_auth,reject_unauth}_destination
>>> #
>>> relay_domains foo.com,bar.com
OK
>>> mail user@some.where
OK
>>> recipient_restrictions permit_auth_destination,reject
OK
>>> rcpt user@foo.org
./smtpd_check: <queue id>: reject: RCPT from foo[127.0.0.2]: 554 5.7.1 <user@foo.org>: Recipient address rejected: Access denied; from=<user@some.where> to=<user@foo.org> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <user@foo.org>: Recipient address rejected: Access denied
>>> rcpt user@foo.com
OK
>>> recipient_restrictions reject_unauth_destination,permit
OK
>>> rcpt user@foo.org
./smtpd_check: <queue id>: reject: RCPT from foo[127.0.0.2]: 554 5.7.1 <user@foo.org>: Relay access denied; from=<user@some.where> to=<user@foo.org> proto=SMTP helo=<friend.bad.domain>
554 5.7.1 <user@foo.org>: Relay access denied
>>> rcpt user@foo.com
OK
>>> #
>>> # unknown client tests
>>> #
>>> unknown_client_reject_code 550
OK
>>> client_restrictions reject_unknown_client
OK
>>> client spike.porcupine.org 160.100.189.2 2
OK
>>> client unknown 1.1.1.1 4
./smtpd_check: <queue id>: reject: CONNECT from unknown[1.1.1.1]: 450 4.7.1 Client host rejected: cannot find your hostname, [1.1.1.1]; from=<user@some.where> proto=SMTP helo=<friend.bad.domain>
450 4.7.1 Client host rejected: cannot find your hostname, [1.1.1.1]
>>> client unknown 1.1.1.1 5
./smtpd_check: <queue id>: reject: CONNECT from unknown[1.1.1.1]: 550 5.7.1 Client host rejected: cannot find your hostname, [1.1.1.1]; from=<user@some.where> proto=SMTP helo=<friend.bad.domain>
550 5.7.1 Client host rejected: cannot find your hostname, [1.1.1.1]