Hallo All
semoga semuanya dalam keadaan sehat selalu

Saya baru saja install server email menggunakan postfix, dovecot dan Mysql
semua tahapan install berjalan lancar dan tidak ada yang error.
saya coba untuk kirim keluar domain dan hasilnya email dapat keterima
dengan baik
permasalah terjadi ketika email dari luar domain ataupun dari dalam
domain sendiri tidak bisa masuk/tidak dapat diterima. hasil dari log
mail sebagai berikut :

Apr  5 18:18:50 latihan postfix/smtpd[7372]: connect from
localhost.localdomain[127.0.0.1]
Apr  5 18:18:53 latihan postfix/smtpd[7372]: 889BE2BD451:
client=localhost.localdomain[127.0.0.1], sasl_method=LOGIN,
[email protected]
Apr  5 18:18:53 latihan postfix/cleanup[7379]: 889BE2BD451:
message-id=<[email protected]>
Apr  5 18:18:53 latihan postfix/smtpd[7372]: disconnect from
localhost.localdomain[127.0.0.1]
Apr  5 18:18:53 latihan postfix/qmgr[7317]: 889BE2BD451:
from=<[email protected]>, size=833, nrcpt=1 (queue active)
Apr  5 18:18:53 latihan postfix/local[7381]: 889BE2BD451:
to=<coba@latihan>, relay=local, delay=0.11, delays=0.08/0.02/0/0.02,
dsn=5.1.1, status=bounced (unknown user: "coba")
Apr  5 18:18:53 latihan postfix/cleanup[7379]: 9ED752BD454:
message-id=<[email protected]>
Apr  5 18:18:53 latihan postfix/bounce[7382]: 889BE2BD451: sender
non-delivery notification: 9ED752BD454
Apr  5 18:18:53 latihan postfix/qmgr[7317]: 889BE2BD451: removed
Apr  5 18:18:53 latihan postfix/qmgr[7317]: 9ED752BD454: from=<>,
size=2746, nrcpt=1 (queue active)
Apr  5 18:18:53 latihan postfix/local[7381]: 9ED752BD454:
to=<[email protected]>, relay=local, delay=0.02,
delays=0.02/0/0/0, dsn=5.1.1, status=bounced (unknown user: "suryana")
Apr  5 18:18:53 latihan postfix/qmgr[7317]: 9ED752BD454: removed
Apr  5 18:18:55 latihan dovecot: imap-login: Login:
user=<[email protected]>, method=PLAIN, rip=::ffff:118.97.186.29,
lip=::ffff:118.97.186.29, secured

setiap kali terima email atau kirim email ke dalam domain sendiri
selalu muncul status=bounced (unknown user: "suryana")

konfigurasi main.cf postfixnya seperti ini :

myhostname = latihan.or.id
mydomain = latihan.or.id
inet_interfaces = all
mydestination = $myhostname, localhost.$mydomain, localhost
home_mailbox = Maildir/
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
mynetworks = 127.0.0.0/8, 118.97.182.16/28
receive_override_options = no_address_mappings
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions =  permit_mynetworks,
permit_sasl_authenticated, reject_unauth_destination
broken_sasl_auth_clients = yes
smtp_tls_security_level = may
smtpd_tls_security_level = may
smtpd_tls_cert_file = /etc/pki/tls/certs/latihan.or.id.cert
smtpd_tls_key_file = /etc/pki/tls/private/latihan.or.id.key
tls_random_source = dev:/dev/urandom
local_recipient_maps = proxy:unix:passwd.byname $alias_maps
$virtual_mailbox_maps
mailbox_command = /usr/local/libexec/dovecot/deliver
virtual_maps = mysql:/etc/postfix/mysql-domains.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql-users.cf
virtual_alias_maps = mysql:/etc/postfix/mysql-aliases.cf
virtual_mailbox_base = /home/vmail
virtual_uid_maps = static:150
virtual_gid_maps = static:150

menurut para master kira-kira apanya yang salah ....????
terimakasih All

-- 
LEMBAGA PENERBANGAN DAN ANTARIKSA NASIONAL (LAPAN)
DEPUTY BIDANG SAINS PENGKAJIAN DAN INFORMASI KEDIRGANTARAAN
PUSAT PEMANFAATAN SAINS ANTARIKSA
JL. DR DJUNDJUNAN NO 133 BANDUNG

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