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Hello everybody! I've installed a server mail based on : Postfix, LDAP, Courier, in Debian Sarge 3.1. Everything seems well configured, (I've executed postmap to check that postfix runs with ...
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  1. #1
    Just Joined!
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    [postfix] problem with sending mail


    Hello everybody!
    I've installed a server mail based on : Postfix, LDAP, Courier, in Debian Sarge 3.1. Everything seems well configured, (I've executed postmap to check that postfix runs with LDAP, and courierauthtest to check that POP3 and IMAP are opérational, all is ok!), I've tried to configure antivirus and spamassassin to ...
    This is the problem : when I try to send mail, it fails, and I find something like this in the log :
    Sending to a local user:
    Apr 20 05:35:34 localhost postfix/qmgr[16377]: 0C85020758B: from=<root@univ-antsiranana.mg>, size=335, nrcpt=1 (queue active)
    Apr 20 05:35:34 localhost postfix/smtp[16807]: connect to 127.0.0.1[127.0.0.1]: Connection refused (port 10024)
    Apr 20 05:35:34 localhost postfix/smtp[16807]: 0C85020758B: to=<test@univ-antsiranana.mg>, relay=none, delay=0, status=deferred (connect to 127.0.0.1[127.0.0.1]: Connection refused)
    Apr 20 05:36:20 localhost postfix/qmgr[16377]: warning: connect to transport amavis : No such file or directory


    Sending over yahoo.fr:
    Apr 20 05:07:20 localhost postfix/qmgr[16377]: 53E69207541: from=<root@univ-antsiranana.mg>, size=385, nrcpt=2 (queue active)
    Apr 20 05:07:20 localhost postfix/qmgr[16377]: warning: connect to transport amavis : No such file or directory
    Apr 20 05:07:20 localhost postfix/qmgr[16377]: C203F207584: from=<root@univ-antsiranana.mg>, size=329, nrcpt=1 (queue active)
    Apr 20 05:07:21 localhost postfix/qmgr[16377]: 03906207579: from=<root@univ-antsiranana.mg>, size=328, nrcpt=1 (queue active)
    Apr 20 05:07:24 localhost postfix/smtp[16380]: connect to a.mx.mail.yahoo.com[209.191.118.103]: Connection refused (port 25)
    Apr 20 05:07:36 localhost postfix/smtp[16380]: C203F207584: host c.mx.mail.yahoo.com[216.39.53.2] refused to talk to me: 553 Mail from 196.192.41.137 not allowed - [10]
    Apr 20 05:07:41 localhost postfix/smtp[16381]: 03906207579: host d.mx.mail.yahoo.com[66.196.82.7] refused to talk to me: 553 Mail from 196.192.41.137 not allowed - [10]
    Apr 20 05:07:57 localhost postfix/smtp[16381]: 03906207579: to=<xxxx@yahoo.fr>, relay=f.mx.mail.yahoo.com[68.142.202.247], delay=45270, status=deferred (host f.mx.mail.yahoo.com[68.142.202.247] refused to talk to me: 553 Mail from 196.192.41.137 not allowed - [10])
    Apr 20 05:08:20 localhost postfix/qmgr[16377]: warning: connect to transport amavis : No such file or directory


    #postconf -n

    alias_database = hash:/etc/aliases
    alias_maps = hash:/etc/aliases
    append_dot_mydomain = no
    biff = no
    config_directory = /etc/postfix
    content_filter = amavis:[127.0.0.1]:10024
    home_mailbox = Maildir/
    inet_interfaces = all
    luser_relay =
    mailbox_size_limit = 0
    mydestination = firewall.univ-antsiranana.mg, localhost.univ-antsiranana.mg, localhost
    myhostname = firewall.univ-antsiranana.mg
    mynetworks = 127.0.0.O/8 192.168.0.O/24
    myorigin = univ-antsiranana.mg
    recipient_delimiter = +
    relayhost =
    smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
    smtpd_tls_CAfile = /etc/postfix/democa/cacert.pem
    smtpd_tls_auth_only = no
    smtpd_tls_cert_file = /etc/postfix/proxy-cert.pem
    smtpd_tls_key_file = /etc/postfix/proxy-key.pem
    smtpd_tls_loglevel = 1
    smtpd_tls_received_header = yes
    smtpd_tls_session_cache_database = btree:/var/run/smtp_tls_session_cache
    smtpd_tls_session_cache_timeout = 3600s
    smtpd_use_tls = yes
    tls_random_source = dev:/dev/urandom
    virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf
    virtual_gid_maps = static:1006
    virtual_mailbox_base = /home/vmail
    virtual_mailbox_domains = ldap:/etc/postfix/ldap-domains.cf
    virtual_mailbox_maps = ldap:/etc/postfix/ldap-accounts.cf
    virtual_minimum_uid = 100
    virtual_uid_maps = static:1006


    # iptables -L

    Chain INPUT (policy DROP)
    target prot opt source destination
    ACCEPT all -- anywhere anywhere
    ACCEPT icmp -- anywhere anywhere
    ACCEPT igmp -- anywhere anywhere
    ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
    ACCEPT tcp -- anywhere anywhere tcp dpt:ftp-data
    ACCEPT tcp -- anywhere anywhere tcp dpt:ftp
    ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
    ACCEPT tcp -- anywhere anywhere tcp dpt:smtp
    ACCEPT tcp -- anywhere anywhere tcp dpt:domain
    ACCEPT udp -- anywhere anywhere udp dpt:domain
    ACCEPT tcp -- anywhere anywhere tcp dpt:www
    ACCEPT tcp -- anywhere anywhere tcp dpt:netbios-ssn
    ACCEPT udp -- anywhere anywhere udp dpt:netbios-ssn
    ACCEPT udp -- anywhere SAP.MCAST.NET udp dpt:9875
    REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
    Chain FORWARD (policy ACCEPT)
    target prot opt source destination
    Chain OUTPUT (policy ACCEPT)
    target prot opt source destination


    At last, this is my master.cf contents :

    smtp inet n - n - - smtpd
    pickup fifo n - - 60 1 pickup
    cleanup unix n - - - 0 cleanup
    qmgr fifo n - - 300 1 qmgr
    rewrite unix - - - - - trivial-rewrite
    bounce unix - - - - 0 bounce
    defer unix - - - - 0 bounce
    trace unix - - - - 0 bounce
    verify unix - - - - 1 verify
    flush unix n - - 1000? 0 flush
    proxymap unix - - n - - proxymap
    smtp unix - - - - - smtp
    relay unix - - - - - smtp
    showq unix n - - - - showq
    error unix - - - - - error
    local unix - n n - - local
    virtual unix - n n - - virtual
    lmtp unix - - n - - lmtp
    anvil unix - - n - 1 anvil
    maildrop unix - n n - - pipe
    flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
    uucp unix - n n - - pipe
    flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
    ifmail unix - n n - - pipe
    flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
    bsmtp unix - n n - - pipe
    flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -d -t$nexthop -f$sender $recipient
    scalemail-backend unix - n n - 2 pipe
    flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
    amavis unix - - n - 2 smtp
    -o smtp_data_done_timeout=1200
    -o disable_dns_lookups=yes
    127.0.0.1:10025 inet n - n - - smtpd
    -o content_filter=
    -o local_recipient_maps=
    -o relay_recipient_maps=
    -o smtpd_restriction_classes=
    -o smtpd_client_restrictions=
    -o smtpd_helo_restrictions=
    -o smtpd_sender_restrictions=
    -o smtpd_recipient_restrictions=permit_mynetworks,rej ect
    -o mynetworks=127.0.0.0/8
    -o strict_rfc821_envelopes=yes


    Can you help me please? I really need your help.
    Thanks.

  2. #2
    Linux Engineer jledhead's Avatar
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    Location
    North Carolina
    Posts
    1,077
    I think this is the problem, not exactly a postfix problem


    Code:
    Apr 20 05:07:36 localhost postfix/smtp[16380]: C203F207584: host c.mx.mail.yahoo.com[216.39.53.2] refused to talk to me: 553 Mail from 196.192.41.137 not allowed - [10]
    some mail servers are picky about who they let talk to them. for example, if you don't have a rDNS or a valid ptr, some email servers won't talk to you, like yahoo. and you don't have a valid ptr, Ip Tools, DNS tools, internet tools, WHOIS, traceroute, ping, domain name tools . for testing you could try gmail, they are a little more lax in that area, but you will want to get it fixed.

    This is the only time I ever suggest anything aol , but they have some very good postmaster info and tools and it definitly helped me. Postmaster.Info : Troubleshooting E-mail Delivery
    hope it helps

  3. #3
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    Thank you for your answers.
    I've tried testing with gmail, but :

    Apr 21 21:51:15 localhost postfix/qmgr[3801]: warning: connect to transport amavis : No such file or directory
    Apr 21 21:51:31 localhost postfix/pickup[16596]: 58ADB207571: uid=0 from=<root>
    Apr 21 21:51:31 localhost postfix/cleanup[17500]: 58ADB207571: message-id=<20080421185131.58ADB207571@firewall.univ-antsiranana.mg>
    Apr 21 21:51:31 localhost postfix/qmgr[3801]: 58ADB207571: from=<root@univ-antsiranana.mg>, size=350, nrcpt=1 (queue active)
    Apr 21 21:51:31 localhost postfix/smtp[17502]: connect to 127.0.0.1[127.0.0.1]: Connection refused (port 10024)
    Apr 21 21:51:31 localhost postfix/smtp[17502]: 58ADB207571: to=<xxxx@gmail.com>, relay=none, delay=0, status=deferred (connect to 127.0.0.1[127.0.0.1]: Connection refused)


    Therefore, I've already visited the site, I have done some tests like verifying DNS capability, DNS's configuration seems good.
    I've also tested reverse DNS capability, and it returned me : "196.192.41.137 is blr-univ-diego.dts.mg."
    Perhaps, should I change "univ-antsiranana.mg" in our DNS configuration in "blr-univ-diego.dts.mg." ?
    Even though we have problem with DNS, I don't understand why I can't send message to a local user.
    Thanks

  4. #4
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    Hello!
    I've looked in my gmail mailbox and I've found that all the messages that I've sent from univ-antsiranana.mg was sent successfully.
    I was so stupid to not verifying my mailbox but reading the logs only...
    And about yahoo, I must resolve the problems with our DNS.
    Thank you !

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