Hi Noel,
This is how I'm doing it:
[user@mailtest ~]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 mailtest.example.com ESMTP Postfix
HELO mailtest
250 mailtest.example.com
MAIL FROM: <r...@google.com>
250 2.1.0 Ok
RCPT TO: pa...@example.com
250 2.1.5 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
From: j...@mailtest.example.com
To: pa...@mailtest.example.com
Subject: Testing SCAM
Text: ABC123
.
250 2.0.0 Ok: queued as 481D6C76B6
And this is my postfix config:
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
allow_min_user = no
biff = no
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = amavisfeed:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
disable_vrfy_command = yes
header_checks = pcre:/etc/postfix/header_checks
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
local_recipient_maps = hash:/etc/postfix/local_recipients
mail_owner = postfix
mailbox_size_limit = 2228800000
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
message_size_limit = 25165824
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain,
mail.$mydomain, mmsin.$mydomain
mydomain = mailtest.example.com
myhostname = mailtest.example.com
mynetworks_style = host
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
relay_domains = $mydestination
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sender_bcc_maps = hash:/etc/postfix/bcc_maps
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
show_user_unknown_table_name = no
smtpd_hard_error_limit = 10
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,
permit_mynetworks, check_helo_access hash:/etc/postfix/helo_checks,
check_sender_access regexp:/etc/postfix/alert_redirections,
check_client_access hash:/etc/postfix/live_systems, check_client_access
hash:/etc/postfix/rbl_whitelist, check_recipient_access
pcre:/etc/postfix/special_recipients, reject_unauth_pipelining,
reject_unauth_destination, check_client_access
hash:/etc/postfix/opera_access, check_client_access
hash:/etc/postfix/epdq_access, check_sender_access
pcre:/etc/postfix/sender_address_checks, reject_non_fqdn_sender,
reject_non_fqdn_recipient, reject_rbl_client truncate.gbudb.net,
reject_rbl new.spam.dnsbl.sorbs.net, reject_rbl zen.spamhaus.org,
check_sender_access regexp:/etc/postfix/reject_fake_brainstorm, permit
smtpd_restriction_classes = insiders_only
smtpd_sasl_auth_enable = yes
smtpd_sender_restrictions = check_sender_access
hash:/etc/postfix/sender_checks
smtpd_timeout = 45s
smtpd_tls_auth_only = yes
smtpd_tls_cert_file = /etc/pki/tls/certs/mailtest.example.com.crt
smtpd_tls_key_file = /etc/pki/tls/private/mailtest.example.com.key
smtpd_tls_security_level = may
virtual_alias_domains = o2open.co.uk
virtual_alias_maps = pcre:/etc/postfix/virtual
Thanks,
Pawel
2016-10-20 21:41 GMT+01:00 Noel Jones <njo...@megan.vbhcs.org>:
> On 10/20/2016 3:08 PM, Paweł Grzesik wrote:
> > Just telnet on any host on 25 port and type From: some_real_email
> > and email will be send. I think thats how scam works.
>
>
> That doesn't work with postfix. Either your description or your
> test method is wrong.
>
>
> $ telnet localhost 25
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> 220 server.example.com ESTMP
> From: u...@example.com
> 221 2.7.0 Error: I can break rules, too. Goodbye.
> Connection closed by foreign host.
>
>
>
>
>
