Hi, I believed I had the whole facebook IP block covered by /etc/postfix/access by adding the line:
69.63.176.0/20 OK And recreating the has file. However, a message from that block was rejected on account of its listing by spamcop. Apr 21 20:39:51 paddington postfix/smtpd[29991]: connect from outmail018.snc1.tfbnw.net[69.63.178.177] Apr 21 20:39:51 paddington postfix/smtpd[29991]: NOQUEUE: reject: RCPT from outmail018.snc1.tfbnw.net[69.63.178.177]: 550 Service unavailable; Client host [69.63.178.177] blocked using bl.spamcop.net; Blocked - see http://www.spamcop.net/bl.shtml?69.63.178.177; from=<notification+o246s...@facebookmail.com> to=<x...@example.org> proto=ESMTP helo=<mx-out.facebook.com> Apr 21 20:39:56 paddington postfix/smtpd[29991]: disconnect from outmail018.snc1.tfbnw.net[69.63.178.177] Can anyone explain what I have wrong. Here's postconf -n # ARIN WHOIS database, last updated 2010-04-20 20:00 # Enter ? for additional hints on searching ARIN's WHOIS database. # # ARIN WHOIS data and services are subject to the Terms of Use # available at https://www.arin.net/whois_tou.html paddington:~ # vi /etc/postfix/access paddington:~ # postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases, hash:/etc/php_email_aliases body_checks = pcre:/etc/postfix/virus bounce_size_limit = 1000 broken_sasl_auth_clients = yes canonical_maps = hash:/etc/postfix/canonical command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/lib/postfix debug_peer_level = 3 default_process_limit = 100 defer_transports = disable_dns_lookups = no disable_vrfy_command = yes header_checks = pcre:/etc/postfix/headerchecks html_directory = /usr/share/doc/packages/postfix/html invalid_hostname_reject_code = 501 lmtp_sasl_security_options = noanonymous local_recipient_maps = proxy:unix:passwd.byname $alias_maps $virtual_mailbox_maps mail_name = Postfix ESMTP $myhostname mail_spool_directory = /var/mail mailbox_transport = lmtp:unix:/var/spool/postfix/socket/lmtp mailq_path = /usr/bin/mailq manpage_directory = /usr/share/man maps_rbl_domains = blackholes.mail-abuse.org, sbl.spamhaus.org, bl.spamcop.net, blackholes.easynet.nl maps_rbl_reject_code = 550 masquerade_domains = staff.example.org masquerade_exceptions = root message_size_limit = 40000000 mime_header_checks = pcre:/etc/postfix/virus mydestination = example.org mail.example.org myhostname = mail.example.org mynetworks = 87.82.228.xxx myorigin = example.org newaliases_path = /usr/bin/newaliases owner_request_special = no readme_directory = /usr/share/doc/packages/postfix/README_FILES recipient_delimiter = + reject_code = 550 relay_domains_reject_code = 550 relocated_maps = hash:/etc/postfix/relocated sample_directory = /usr/share/doc/packages/postfix/samples sendmail_path = /usr/sbin/sendmail setgid_group = maildrop smtp_sasl_security_options = smtp_tls_CAfile = /etc/postfix/certs/ssl.ca smtp_tls_cert_file = /etc/postfix/certs/ssl.cert smtp_tls_key_file = /etc/postfix/certs/ssl.key smtp_tls_loglevel = 1 smtp_tls_note_starttls_offer = yes smtp_tls_session_cache_database = sdbm:/etc/postfix/cache/smtp_scache smtp_tls_session_cache_timeout = 3600s smtp_use_tls = yes smtpd_client_restrictions = hash:/etc/postfix/access, reject_maps_rbl smtpd_delay_reject = yes smtpd_helo_required = yes smtpd_recipient_limit = 1000 smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_client_access hash:/etc/postfix/access, reject_unauth_destination hash:/etc/postfix/block, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_invalid_hostname, reject_unknown_sender_domain, reject_unknown_client, check_relay_domains smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = paddington smtpd_sasl_security_options = noanonymous smtpd_sender_restrictions = check_sender_access, hash:/etc/postfix/spammers smtpd_tls_CAfile = /etc/ssl/certs/commercial.pem smtpd_tls_ask_ccert = yes smtpd_tls_cert_file = /etc/ssl/certs/www.example.org.wc.2010.crt smtpd_tls_key_file = /etc/ssl/certs/www.example.org.imap.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = sdbm:/etc/postfix/cache/smtpd_scache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes soft_bounce = no strict_rfc821_envelopes = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport