Re: how to restrict mail to only one recipient?

From: Israel Garcia (no email)
Date: Sun Apr 18 2010 - 03:30:27 EDT

  • Next message: LuKreme: "Re: recipient_delimiter is not set"

    postfix rocks!! :-)

    working perfectly...

    thanks mouss

    regards,
    Israel.

    On Sun, Apr 18, 2010 at 12:42 AM, mouss <> wrote:
    > Israel Garcia a écrit :
    >> Hi
    >> I have some apps on a debian server which use to send mail using
    >> localhost on the same server and I want allow only email sent to this
    >> address user at domain and  reject all other. This is my main.cf
    >>
    >> smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
    >> biff = no
    >> append_dot_mydomain = no
    >> readme_directory = no
    >>
    >> # TLS parameters
    >> smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
    >> smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
    >> smtpd_use_tls=yes
    >> smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
    >> smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
    >>
    >> myhostname = myserver.mydomain
    >> alias_maps = hash:/etc/aliases
    >> alias_database = hash:/etc/aliases
    >> myorigin = /etc/mailname
    >> mydestination = myserver.mydomain, localhost.speedyrails.ca, , localhost
    >> smtpd_recipient_restrictions =
    >>         check_recipient_access hash:/etc/postfix/recipients,
    >>         check_relay_domains,
    >>         reject
    >>
    >> relayhost = [lbsmtp]
    >> smtp_host_lookup = dns,native
    >> mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
    >> mailbox_size_limit = 0
    >> recipient_delimiter = +
    >> inet_interfaces = localhost
    >> mailbox_command =
    >> default_transport = smtp
    >> relay_transport = smtp
    >> smtp_host_lookup=dns,native
    >> inet_protocols = ipv4
    >>
    >> /etc/postfix/recipient file:
    >>
    >> user at domain  OK
    >> \*\@\*  REJECT
    >
    > the last line is useless.
    >
    >>
    >> So, if I test sending mail using mail command or mutt rules does not
    >> work, but, if I use telnet or nc to connect to localhost on 25/tcp
    >> port rule works. Simple question, WHY?
    >
    > because smtpd_* parameters apply to mail received via SMTP.
    >
    >>
    >> How can I restrict my server to send mail TO user at domain?
    >>
    >
    > There are many ways...
    >
    > [transports]
    > instead of using smtpd restrictions, you can use transport_maps:
    >
    > user at domain     smtp:
    > *       error:recipient address not allowed
    >
    > (note that '*' only works for transport_maps. don't use it in access maps).
    >
    > [smtpd restrictions via a content filter]
    > you can force mail submitted via the sendmail (pickup) interface to go
    > through smtpd by adding
    > -o content_filter=smtp:[127.0.0.1]:25
    >
    > under the "pickup" service in master.cf. However:
    >
    > - if you do so, you must not use the sendmail command after content
    > filtering. otherwise, you'll get an infinite loop.
    >
    > - mail that will be rejected will cause a bounce. you need to handle
    > this. Instead of "reject", you could use HOLD to put mail on hold (and
    > remove it manually using the postsuper command), or you can
    >
    >> NOTES:
    >> This server only accept mails from localhost
    >> This server send mails to a load balancer [lbsmtp]
    >>
    >> thanks in advance
    >>
    >
    >

    -- 
    Regards;
    Israel Garcia
    

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