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From: Daniel Geyer (daniel.geyerstar-ag.ch)
Date: Thu Nov 01 2001 - 10:10:23 CST

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    Hello

    I've installed Postfix on my firewallhost to receive all mail for my
    domain an send it to my mailhost.
    As soon as I point the MX to the firewallserver, postfix reports (mail
    for DOMAIN loops back to myself).

    I've already try almost everything like using canonical hostnames and
    not and so on, but no success.( a whole night ;-( )

    Is there any special configuration for solaris2.6?
    Is the version I usr too old?
    Can somebody give me a clue?

    # uname -a
    SunOS ftpserv2 5.6 Generic sun4u sparc SUNW,Ultra-1

    # dig $SERVER $DOMAIN mx
    ; <<>> DiG 2.0 <<>> star-test.de mx
    ;; ->>HEADER<<- opcode: QUERY , status: NOERROR, id: 6
    ;; flags: qr rd ra ; Ques: 1, Ans: 2, Auth: 3, Addit: 4
    ;; QUESTIONS:
    ;; star-test.de, type = MX, class = IN
    ;; ANSWERS:
    star-test.de. 3592 MX 10 mail.de.uu.net.
    star-test.de. 3592 MX 5 mailwall.star-test.de.
    ;; AUTHORITY RECORDS:
    star-test.de. 86392 NS ftpserv2.star-test.de.
    star-test.de. 86392 NS auth02.ns.de.uu.net.
    star-test.de. 86392 NS auth52.ns.de.uu.net.
    ;; ADDITIONAL RECORDS:
    mailwall.star-test.de. 3592 A 195.205.16.3
    ftpserv2.star-test.de. 86392 A 195.205.16.3
    auth02.ns.de.uu.net. 172792 A 192.76.144.15
    auth52.ns.de.uu.net. 172792 A 194.128.171.101

    # postconf mail_version
    mail_version = Postfix-19991231-pl13

    # postconf -n
    command_directory = /usr/sbin
    daemon_directory = /usr/libexec/postfix
    debug_peer_level = 2
    default_destination_concurrency_limit = 10
    local_destination_concurrency_limit = 2
    local_transport = error:local mail delivery is disabled on this machine
    mail_owner = postfix
    mydestination = $mydomain
    mydomain = star-test.de
    myhostname = mailwall.star-test.de
    mynetworks = 195.205.16.0/24
    myorigin = $mydomain
    queue_directory = /var/spool/postfix
    transport_maps = dbm:/etc/postfix/transport

    # more /etc/postfix/transport
    star-test.de smtp:[mailhost.star-test.de]
    .star-test.de smtp:[mailhost.star-test.de]

    # more /etc/postfix/master.cf
    ...
    #
    ==========================================================================

    # service type private unpriv chroot wakeup maxproc command + args
    # (yes) (yes) (yes) (never) (50)
    #
    ==========================================================================

    smtp inet n - n - - smtpd
    pickup fifo n n n 60 1 pickup
    cleanup unix - - n - 0 cleanup
    qmgr fifo n - n 300 1 qmgr
    rewrite unix - - n - - trivial-rewrite
    bounce unix - - n - 0 bounce
    defer unix - - n - 0 bounce
    smtp unix - - n - - smtp
    showq unix n - n - - showq
    error unix - - n - - error
    #local unix - n n - - local
    cyrus unix - n n - - pipe
    ...

    (if MX points to myhostname mailwall.star-test.de, the mail )
    # more /var/log/syslog
    ...
    Nov 1 14:40:53 ftpserv2 postfix/smtpd[13029]: connect from
    ftpserv1.star-ag.ch[194.209.169.3]
    Nov 1 14:40:53 ftpserv2 postfix/smtpd[13029]: E46AF188B0:
    client=ftpserv1.star-ag.ch[194.209.169.3]
    Nov 1 14:40:54 ftpserv2 postfix/cleanup[13030]: E46AF188B0:
    message-id=<3BE15578.831F7F3Cstar-ag.ch>
    Nov 1 14:40:54 ftpserv2 postfix/qmgr[13028]: E46AF188B0:
    from=<daniel.geyerstar-ag.ch>, size=889 (queue active)
    Nov 1 14:40:54 ftpserv2 postfix/smtp[13032]: E46AF188B0:
    to=<bernd.gloecklestar-gmbh.de>, relay=none, delay=1, status=bounced
    (mail for star-gmbh.de loops back to myself)
    ...

    (if MX points to another host and a mail comes in because of not jet
    updated NS records, all works fine)
    # more /var/log/syslog
    ...
    Nov 1 15:01:20 ftpserv2 postfix/smtpd[13078]: connect from
    siaag1ae.compuserve.com[149.174.40.7]
    Nov 1 15:01:20 ftpserv2 postfix/smtpd[13078]: E46CF188B0:
    client=siaag1ae.compuserve.com[149.174.40.7]
    Nov 1 15:01:22 ftpserv2 postfix/cleanup[13079]: E46CF188B0:
    message-id=<200111010915_MC3-E56C-6137compuserve.com>
    Nov 1 15:01:22 ftpserv2 postfix/qmgr[13028]: E46CF188B0:
    from=<GordonWalker2compuserve.com>, size=1310 (queue active)
    Nov 1 15:01:22 ftpserv2 postfix/smtpd[13078]: disconnect from
    siaag1ae.compuserve.com[149.174.40.7]
    Nov 1 15:01:52 ftpserv2 postfix/smtp[13081]: E46CF188B0:
    to=<bernd.gloecklestar-test.de>,
    relay=mailgate.star-test.de[194.161.121.5], delay=32, status=sent (250
    PAA23001 Message accepted for delivery)
    ...

    TIA
    Regards.
    _________________________________________________________________________

    Daniel Geyer IT Manager
    _________________________________________________________________________

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    http://www.star-group.net PHONE ++41 52 742 92 00
    mailto:daniel.geyerstar-group.net FAX ++41 52 742 92 92
    _________________________________________________________________________

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