Odd SMTP server behaviour - Recipient address rejected: Service is unavaila

Hi,
I noticed since upgrading to 10.6 that some emails took a long time to go through on my mail server. Looking at the logs it looks as if a lot of mails are being rejected on the first try with a ...
450 4.7.1 <[removed]@[removed]>: Recipient address rejected: Service is unavailable
The next attempt to deliver seems to succeed.
Any suggestions where to look at what is going wrong? I have log level set to debug but there is no extra info so I am unsure which service is unavailable.

http://discussions.apple.com/thread.jspa?threadID=2130446&tstart=0&messageID=102 60551#10260551

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  • "NOQUEUE: reject: RCPT from ... : Recipient address rejected" etc error

    I've got the following error in my SL Server 10.6.4 mail server log:
    Sep 4 17:22:06 myservername postfix/smtpd[74713]: connect from asmtpout028.mac.com[17.148.16.103]
    Sep 4 17:22:06 myservername postfix/smtpd[74713]: NOQUEUE: reject: RCPT from asmtpout028.mac.com[17.148.16.103]: 450 4.7.1 <[email protected]>: Recipient address rejected: Service is unavailable; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<asmtpout028.mac.com>
    Sep 4 17:22:07 myservername postfix/smtpd[74713]: disconnect from asmtpout028.mac.com[17.148.16.103]
    and I get the same result any time my server must deliver to its internal recipients some mail from MobileMe.
    While emails arrive from other mail servers, e.g. gmail, the system accepts averything and delivers it.
    Just to see the log of an incoming mail from gmail:
    Sep 4 17:39:46 myservername postfix/smtpd[74953]: connect from mail-ww0-f47.google.com[74.125.82.47]
    Sep 4 17:39:56 myservername postfix/smtpd[74953]: A2871BA721: client=mail-ww0-f47.google.com[74.125.82.47]
    Sep 4 17:39:56 myservername postfix/smtpd[75004]: connect from mail-ww0-f47.google.com[74.125.82.47]
    Sep 4 17:39:57 myservername postfix/cleanup[74983]: A2871BA721: message-id=<[email protected]>
    Sep 4 17:39:57 myservername postfix/qmgr[59405]: A2871BA721: from=<[email protected]>, size=1897, nrcpt=1 (queue active)
    Sep 4 17:39:57 myservername postfix/smtpd[74986]: connect from localhost[127.0.0.1]
    Sep 4 17:39:57 myservername postfix/smtpd[74986]: C08F4BA728: client=localhost[127.0.0.1]
    Sep 4 17:39:57 myservername postfix/cleanup[74983]: C08F4BA728: message-id=<[email protected]>
    Sep 4 17:39:57 myservername postfix/smtpd[74986]: disconnect from localhost[127.0.0.1]
    Sep 4 17:39:57 myservername postfix/qmgr[59405]: C08F4BA728: from=<[email protected]>, size=2358, nrcpt=1 (queue active)
    Sep 4 17:39:57 myservername postfix/pipe[74989]: C08F4BA728: to=<[email protected]>, relay=dovecot, delay=0.02, delays=0/0/0/0.01, dsn=2.0.0, status=sent (delivered via dovecot service)
    Sep 4 17:39:57 myservername postfix/qmgr[59405]: C08F4BA728: removed
    it delivers the message but I've the suspect that some redundance occurs.
    No problems with outgoing mail.
    This is my postfix configuration:
    myserver:/ root# postconf -n
    biff = no
    command_directory = /usr/sbin
    config_directory = /etc/postfix
    content_filter = smtp-amavis:[127.0.0.1]:10024
    daemon_directory = /usr/libexec/postfix
    debugpeerlevel = 2
    enableserveroptions = yes
    header_checks = pcre:/etc/postfix/customheaderchecks
    html_directory = /usr/share/doc/postfix/html
    inet_interfaces = all
    localrecipientmaps =
    mail_owner = _postfix
    mailboxsizelimit = 0
    mailbox_transport = dovecot
    mailq_path = /usr/bin/mailq
    manpage_directory = /usr/share/man
    mapsrbldomains =
    messagesizelimit = 31457280
    mydestination = $myhostname, localhost.$mydomain, mail.mydomain.com, www.mydomain.com, $mydomain
    mydomain = mydomain.com
    mydomain_fallback = localhost
    myhostname = myservername.mydomain.com
    mynetworks = 127.0.0.0/8
    newaliases_path = /usr/bin/newaliases
    queue_directory = /private/var/spool/postfix
    readme_directory = /usr/share/doc/postfix
    recipient_delimiter = +
    relayhost =
    sample_directory = /usr/share/doc/postfix/examples
    sendmail_path = /usr/sbin/sendmail
    setgid_group = _postdrop
    smtpsasl_passwordmaps =
    smtpdclientrestrictions = permit_mynetworks permitsaslauthenticated permit
    smtpdenforcetls = no
    smtpdhelorequired = yes
    smtpdhelorestrictions = rejectinvalid_helohostname rejectnon_fqdn_helohostname
    smtpdpw_server_securityoptions = cram-md5
    smtpdrecipientrestrictions = permitsaslauthenticated permit_mynetworks rejectunauthdestination checkpolicyservice unix:private/policy permit
    smtpdsasl_authenable = yes
    smtpdtlsCAfile = /etc/certificates/myservername.mydomain.com.longcodehere.chain.pem
    smtpdtls_certfile = /etc/certificates/myservername.mydomain.com.longcodehere.cert.pem
    smtpdtls_excludeciphers = SSLv2, aNULL, ADH, eNULL
    smtpdtls_keyfile = /etc/certificates/myservername.mydomain.com.longcodehere.key.pem
    smtpdtlsloglevel = 0
    smtpduse_pwserver = yes
    smtpdusetls = yes
    tlsrandomsource = dev:/dev/urandom
    unknownlocal_recipient_rejectcode = 550
    virtualaliasmaps =
    what am I forgetting?
    where is the mistake?
    is a conf problem either I've got a MTU black hole as someone has suggested me?
    the MTU of my cisco router seems to be 1464
    any help?

    But from Yahoo, without any more action from me, so clearly after its automatic retry, that's the new result log:
    Sep 4 18:29:25 myservername postfix/smtpd[75776]: connect from n23.bullet.mail.ukl.yahoo.com[87.248.110.140]
    Sep 4 18:29:25 myservername postfix/smtpd[75776]: 73E88BA7F8: client=n23.bullet.mail.ukl.yahoo.com[87.248.110.140]
    Sep 4 18:29:25 myservername postfix/cleanup[75784]: 73E88BA7F8: message-id=<[email protected]>
    Sep 4 18:29:25 myservername postfix/qmgr[59405]: 73E88BA7F8: from=<[email protected]>, size=2744, nrcpt=1 (queue active)
    Sep 4 18:29:25 myservername postfix/smtpd[75776]: disconnect from n23.bullet.mail.ukl.yahoo.com[87.248.110.140]
    Sep 4 18:29:26 myservername postfix/smtpd[75787]: connect from localhost[127.0.0.1]
    Sep 4 18:29:26 myservername postfix/smtpd[75787]: 57E3EBA809: client=localhost[127.0.0.1]
    Sep 4 18:29:26 myservername postfix/cleanup[75784]: 57E3EBA809: message-id=<[email protected]>
    Sep 4 18:29:26 myservername postfix/smtpd[75787]: disconnect from localhost[127.0.0.1]
    Sep 4 18:29:26 myservername postfix/qmgr[59405]: 57E3EBA809: from=<[email protected]>, size=3205, nrcpt=1 (queue active)
    Sep 4 18:29:26 myservername postfix/smtp[75785]: 73E88BA7F8: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=1, delays=0.36/0.01/0/0.66, dsn=2.0.0, status=sent (250 2.0.0 Ok, id=59259-09, from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 57E3EBA809)
    Sep 4 18:29:26 newthor postfix/qmgr[59405]: 73E88BA7F8: removed
    Sep 4 18:29:26 newthor postfix/pipe[75790]: 57E3EBA809: to=<[email protected]>, relay=dovecot, delay=0.03, delays=0/0.01/0/0.02, dsn=2.0.0, status=sent (delivered via dovecot service)
    Sep 4 18:29:26 newthor postfix/qmgr[59405]: 57E3EBA809: removed
    Again, someone can explain me such a strange behavior?
    Why at the first try the mail fromyahoo is rejected and at the second try it is accepted and delivered?
    Why mail from mobileme is cut out?
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  • Recipient address rejected : Access denied (in reply to RCPT TO command)

    Hi,
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    Kind regards,
    Xavier.
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    enableserveroptions = yes
    html_directory = no
    inet_interfaces = all
    localrecipientmaps =
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    mail_owner = _postfix
    mailboxsizelimit = 0
    mailbox_transport = cyrus
    mailq_path = /usr/bin/mailq
    manpage_directory = /usr/share/man
    messagesizelimit = 20971520
    mydestination = $myhostname,localhost.$mydomain,localhost,jehin.net
    mydomain = jehin.net
    mydomain_fallback = localhost
    myhostname = mail.jehin.net
    mynetworks = 127.0.0.0/8
    newaliases_path = /usr/bin/newaliases
    queue_directory = /private/var/spool/postfix
    readme_directory = /usr/share/doc/postfix
    relayhost = relay.skynet.be
    sample_directory = /usr/share/doc/postfix/examples
    sendmail_path = /usr/sbin/sendmail
    setgid_group = _postdrop
    smtpdenforcetls = no
    smtpdpw_server_securityoptions = none
    smtpdrecipientrestrictions = permitmynetworks,reject_unauthdestination,permit
    smtpdsasl_authenable = no
    smtpdtls_certfile = /etc/certificates/Default.crt
    smtpdtls_keyfile = /etc/certificates/Default.key
    smtpdtlsloglevel = 0
    smtpduse_pwserver = no
    smtpdusetls = yes
    unknownlocal_recipient_rejectcode = 550
    virtualmailboxdomains = hash:/etc/postfix/virtual_domains
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    I apologize... Was trying to find a solution too and looks like I forgot to inform you about that point ...
    This is the new result in log (for an outside mail):
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    Oct 27 22:26:54 jehin postfix/tlsmgr[15509]: warning: encryption keys etc. may be predictable
    Oct 27 22:26:54 jehin postfix/smtpd[15508]: connect from mhfr-03-bos.mailhop.org[63.208.196.167]
    Oct 27 22:26:55 jehin postfix/trivial-rewrite[15511]: warning: do not list domain jehin.net in BOTH mydestination and virtualmailboxdomains
    Oct 27 22:26:55 jehin postfix/smtpd[15508]: NOQUEUE: reject: RCPT from mhfr-03-bos.mailhop.org[63.208.196.167]: 554 5.7.1 <[email protected]>: Recipient address rejected: Access denied; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<mhfr-03-bos.mailhop.org>
    Oct 27 22:26:55 jehin postfix/smtpd[15508]: disconnect from mhfr-03-bos.mailhop.org[63.208.196.167]
    Telnet test:
    sh-3.2# telnet jehin.net 587
    Trying 81.245.99.141...
    Connected to jehin.net.
    Escape character is '^]'.
    220 mail.jehin.net ESMTP Postfix
    helo me
    250 mail.jehin.net
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    rcpt to:<[email protected]>
    554 5.7.1 <[email protected]>: Recipient address rejected: Access denied
    quit
    221 2.0.0 Bye
    Connection closed by foreign host.
    its log:
    Oct 27 22:29:02 jehin postfix/smtpd[15528]: connect from unknown[10.185.112.199]
    Oct 27 22:30:11 jehin postfix/trivial-rewrite[15532]: warning: do not list domain jehin.net in BOTH mydestination and virtualmailboxdomains
    Oct 27 22:30:11 jehin postfix/smtpd[15528]: NOQUEUE: reject: RCPT from unknown[10.185.112.199]: 554 5.7.1 <[email protected]>: Recipient address rejected: Access denied; from= to=<[email protected]> proto=SMTP helo=<me>
    Oct 27 22:30:20 jehin postfix/smtpd[15528]: disconnect from unknown[10.185.112.199]

  • Mail error 5.1.0 - Unknown address error 554-'5.7.1 user@rjh.school.nz : Recipient address rejected: Access denied'

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  • Recipient address rejected: User unknown in relay recipient table

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    > 14:05:16 109 Building undeliverable message
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    >
    > >>> Massimo Rosen<[email protected]> 1/20/2010 11:28:AM >>>
    > Hi,
    >
    > > "[email protected]" wrote:
    > >
    > > Running GW 7.0.3 on NW 6.5.6. Can anyone tell me if this is my
    > > problem or if it is the recipients system. Other email to the same
    > > domain goes through.
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    > Impossible to say without more details, precisely GWIA logs. The only
    > way how this could be a problem on your side is if GWIA is talking to
    > the wrong server. That has been a problem in the past occasionally, and
    > is often DNS related, e.g could be a problem of the OS even. Of course,
    > in that regard, SP6 for NW65 is old. I'd suggest to install SP8 anyways.
    >
    > CU,
    > --
    > Massimo Rosen
    > Novell Product Support Forum Sysop
    > No emails please!
    > http://www.cfc-it.de
    >
    >
    The rejection seems to be on their side.

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  • Odd mail server behaviour

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  • Domain controller anomalous connection to remote Redplaid SMTP server

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  • My e-mails are not sending. "connection to SMTP server timed out." How do I get this working?

    As of yesterday, I am receiving e-mails fine; however, unable to send. Everytime I try to send an e-mail, I get "Sending of message failed. The message could not be sent because the connection to SMTP server (my mail address) timed out. Try again or contact your network administrator.
    I received help from lunarpages (they host my domain); however, they were unable to resolve the issue. They suggested something is blocking IP, or need to update Thunderbird, or there's a firewall there...
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