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Re: Problem with transport

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  • Noel Jones
    ... The domain should be listed in relay_domains. Valid recipients should be listed in relay_recipient_maps. If you don t have a list of valid recipients,
    Message 1 of 4 , Feb 12, 2010
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      On 2/12/2010 1:41 AM, Patric Falinder wrote:
      > Hi!
      > I got a little problem with my postfix setup. I currently have Postfix,
      > MySQL, amavisd-maia (Maia Mailguard), spamassassin, f-secure and dovecot
      > installed.
      > I have all my users/domains information in the database that are going
      > to be delivered to my pop3/imap.
      > But I also want to be some sort of "spamcheck relay" for other servers
      > so their mail gets delivered to my server, get checked for spam and then
      > I send them to their mailserver.
      > I don't know if I should post all my configs here in the mail, cause the
      > mail will get very long, so I will just link to my post on
      > Linuxquestions.org where I have also posted this problem:
      > http://www.linuxquestions.org/questions/linux-server-73/postfix-transport-788433/
      > anyway, I have these two settings:
      > virtual_transport = virtual
      > transport_maps = hash:/etc/postfix/transport
      > in the transport -file I have:
      > example.com smtp:[smtp.example.com]
      > but when I get a mail from test@... it checks the database if
      > the user exists, which it doesn't becuase I am just gonna spam check it
      > and send it the the real mailserver.
      > error message:
      > Feb 11 11:49:38 example.com postfix/smtpd[24775]: NOQUEUE: reject: RCPT
      > from blu0-omc2-s8.blu0.hotmail.com[]: 550 5.1.1
      > <test@...>: Recipient address rejected: User unknown in virtual
      > mailbox table; from=<test@...> to=<test@...> proto=ESMTP
      > helo=<blu0-omc2-s8.blu0.hotmail.com>
      > I read this in the postfix doc:
      > virtual_transport (default: virtual)
      > The default mail delivery transport and next-hop destination for final
      > delivery to domains listed with $virtual_mailbox_domains. *This
      > information can be overruled with the transport(5) table.*
      > Specify a string of the form transport:nexthop, where transport is the
      > name of a mail delivery transport defined in master.cf. The :nexthop
      > destination is optional; its syntax is documented in the manual page of
      > the corresponding delivery agent.
      > but don't understand what I have to do to make it work?
      > Can anyone help me with this?
      > Thanks!

      The domain should be listed in relay_domains. Valid
      recipients should be listed in relay_recipient_maps. If you
      don't have a list of valid recipients, you can use active
      address verification to verify them during the SMTP transaction.

      It's important to verify the recipients to manage load on your
      computer and to maintain reasonable queue sizes. It's also
      only a matter of time until you get blacklisted as a
      backscatter source if you don't verify recipients.

      -- Noel Jones
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