>>> Ternyata sekarang (saya juga gak tau pasti sejak kapan dan kenapa),
>>> email yang dikirim oleh beberapa user sering (gak selalu) keluar error
>>> kalau saya cek di mail seperti ini.
>>> 90E4A6FE58 39797 Tue Jun 23 09:14:35 ...@kosmojaya.com
>>> (conversation with gajah.kosmojaya.com[122.200.149.xxx] timed out
>>> while receiving the initial server greeting)
>>> b...@kosmojaya.com
>>> e...@kosmojaya.com
>>> D9AF06FE56 51645 Tue Jun 23 08:18:59 ...@fortunestar.co.id
>>> (host b.mx.mail.yahoo.com[66.196.97.250] said: 451 Message temporarily
>>> deferred - [290] (in reply to end of DATA command))
>>> 1...@yahoo.com
>>>
>>> btw, saya coba google, untuk permasalah 'timed out while receiving..'
>>> saya sudah coba buat memasukan 0 di
>>> /proc/sys/net/ipv4/tcp_window_scaling tapi tetap gak ada pengaruhnya.
>>>
>>> Konfigurasi untuk postfix adalah:
>>> alias_database = hash:/etc/aliases
>>> alias_maps = hash:/etc/aliases
>>> append_dot_mydomain = no
>>> biff = no
>>> broken_sasl_auth_clients = yes
>>> config_directory = /etc/postfix
>>> fast_flush_purge_time = 7d
>>> fast_flush_refresh_time = 20m
>>> home_mailbox = Maildir/
>>> inet_interfaces = all
>>> inet_protocols = all
>>> mailbox_command =
>>> mailbox_size_limit = 0
>>> milter_default_action = accept
>>> milter_protocol = 2
>>> mydestination = $myhostname, localhost.$mydomain
>>> myhostname = smtp1.kosmojaya.com
>>> mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
>>> 122.200.149.230 192.127.0.0/24
>>> myorigin = /etc/mailname
>>> non_smtpd_milters = inet:localhost:8891,inet:localhost:8892
>>> readme_directory = no
>>> recipient_delimiter = +
>>> relayhost =
>>> smtp_tls_note_starttls_offer = yes
>>> smtp_tls_security_level = may
>>> smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
>>> smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
>>> smtpd_milters = inet:localhost:8891,inet:localhost:8892
>>> smtpd_recipient_restrictions =
>>> permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
>>> smtpd_sasl_auth_enable = yes
>>> smtpd_sasl_local_domain =
>>> smtpd_sasl_security_options = noanonymous
>>> smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem
>>> smtpd_tls_auth_only = no
>>> smtpd_tls_cert_file = /etc/ssl/certs/smtpd.crt
>>> smtpd_tls_key_file = /etc/ssl/private/smtpd.key
>>> smtpd_tls_loglevel = 1
>>> smtpd_tls_received_header = yes
>>> smtpd_tls_security_level = may
>>> smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
>>> smtpd_tls_session_cache_timeout = 3600s
>>> smtpd_use_tls = yes
>>> tls_random_source = dev:/dev/urandom
>>>
>>> Demikian, mohon masukan..
>>>
>>>
>>
>> kirim ke yahoo ya? :)
>> yahoo sepertinya men terapkan system greylisting yg mem "babi buta"
>> (baru connect sudah di defer)
>> belum sempet smtp kita say helo langsung di defer hehehe(walaupun
>> temporary)
>>
>> tips, usahakan smtp kita mempunyai ptr record yg valid.
>>
>> buat transport khusus seperti yg saya pernah baca di manual nya postfix..
>>
>> "You're trying to send mail to difficult to reach sites (Hotmail, Yahoo,
>> etc.). Solution: set up transport map entries that give special treatment
>> (many parallel connections, short connection timeouts): "
>>
>> /etc/postfix/main.cf:
>> transport_maps = hash:/etc/postfix/transport
>> deadbeats_destination_concurrency_limit = 50
>>
>> /etc/postfix/transport:
>> hotmail.com deadbeats:
>> yahoo.com deadbeats:
>>
>> /etc/postfix/master.cf:
>> deadbeats unix - - n - - smtp
>> -o smtp_connect_timeout=5 -o smtp_helo_timeout=5
>>
>>
>> cmiiw
>>
>
> upss, sorry pak
>
> ini maksud nya error yg kirim ke domain yg sama via SMTP AUTH?
> bisa liat config postfix nya pak? postconf -n dan master.cf?
>
> thanks
>
Mas Hadi,
postconf -n ada di atas (udah saya posting :D ). Untuk master.cf ini isinya.
smtp inet n - - - - smtpd
pickup fifo n - - 60 1 pickup
cleanup unix n - - - 0 cleanup
qmgr fifo n - n 300 1 qmgr
tlsmgr unix - - - 1000? 1 tlsmgr
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
proxywrite unix - - n - 1 proxymap
smtp unix - - - - - smtp
relay unix - - - - - smtp
-o smtp_fallback_relay=
showq unix n - - - - showq
error unix - - - - - error
retry unix - - - - - error
discard unix - - - - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - - - - lmtp
anvil unix - - - - 1 anvil
scache unix - - - - 1 scache
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/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 -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}
mailman unix - n n - - pipe
flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
${nexthop} ${user}
Untuk masalah yahoo.com nanti akan saya coba tambahkan di main.cf nya.
regards,
