All,
My Postfix (2.7.0 Ubuntu) mail server has just begun logging several hundred
attempts of:
Aug 5 13:35:37 lollipop postfix/smtpd[23022]: connect from
unknown[173.0.131.197]
Aug 5 13:35:37 lollipop postfix/smtpd[22847]: disconnect from
joker.iwswebhosting.com[208.101.4.76]
Aug 5 13:35:37 lollipop postfix/smtpd[23022]: NOQUEUE: reject: RCPT from unknown[173.0.131.197]:
450 4.7.1 Client host rejected: cannot find your reverse hostname, [173.0.131.197]; from=<>
to=<i...@garychambers.com> proto=ESMTP helo=<VPS1538.home> Aug 5 13:35:37 lollipop
postfix/smtpd[23022]: disconnect from unknown[173.0.131.197]
Aug 5 13:35:38 lollipop postfix/smtpd[22848]: connect from
mta.juntadeandalucia.es[217.12.18.114]
Aug 5 13:35:39 lollipop postfix/smtpd[23022]: connect from
gluttony3.doruk.net.tr[212.58.6.27]
Aug 5 13:35:39 lollipop postfix/smtpd[22848]: NOQUEUE: reject: RCPT from
mta.juntadeandalucia.es[217.12.18.114]: 550 5.1.1 <i...@garychambers.com>: Recipient address
rejected: User unknown in local recipient table; from=<> to=<i...@garychambers.com>
proto=ESMTP helo=<mta.juntadeandalucia.es>
Aug 5 13:35:39 lollipop postfix/smtpd[22848]: disconnect from
mta.juntadeandalucia.es[217.12.18.114]
My postconf -n output is:
alias_database = pgsql:/etc/postfix/aliases-pg.cf
alias_maps = pgsql:/etc/postfix/aliases-pg.cf
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
disable_vrfy_command = yes
home_mailbox = Maildir/
inet_interfaces = $myhostname, localhost
mailbox_command = /usr/lib/dovecot/deliver
mailbox_size_limit = 0
message_size_limit = 33554432
mydestination = $myhostname, $mydomain, lollipop.$mydomain,
localhost.$mydomain, localhost, mail.$mydomain, smtp.$mydomain
myhostname = mx1.garychambers.com
mynetworks = 127.0.0.0/8 192.168.1.0/24
myorigin = /etc/mailname
readme_directory = no
recipient_bcc_maps = pgsql:/etc/postfix/recipient-bccs-pg.cf
recipient_delimiter = +
relay_domains = lists.garychambers.com
relayhost =
smtp_bind_address = 192.168.1.7
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name
smtpd_client_restrictions = check_client_access
pgsql:/etc/postfix/access-pg.cf, reject_unknown_reverse_client_hostname
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_helo_required = yes
smtpd_recipient_restrictions = reject_invalid_helo_hostname,
permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination,
reject_rbl_client zen.spamhaus.org
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = reject_unknown_sender_domain
smtpd_timeout = 30s
smtpd_tls_CAfile = /etc/ssl/certs/Gary_Chambers_Root_CA.pem
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/ssl/certs/postfix-server-wildcarded.crt
smtpd_tls_key_file = /etc/ssl/private/postfix-server-wildcarded.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550
virtual_alias_maps = pgsql:/etc/postfix/virtual-pg.cf
virtual_gid_maps = static:60008
virtual_mailbox_base = /vhome
virtual_mailbox_domains = pgsql:/etc/postfix/virtual-mailbox-domains-pg.cf
virtual_mailbox_maps = pgsql:/etc/postfix/virtual-mailboxes-pg.cf
virtual_transport = dovecot
virtual_uid_maps = static:60008
Will someone please assist me in determining the problem or offer any short-
(or long-) term suggestions? Thank you very much!
-- Gary Chambers
