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Blog Post
ResourceZimbra

Improvement Anti Spam Zimbra : Restricted Sender/Sender Must Login pada Zimbra 8

September 1, 2013by Ahmad Imanudin

Pada tulisan sebelumnya sudah dijelaskan mengenai Restricted Sender/Sender Must Login pada Zimbra 7 untuk mengantisipasi adanya SPAM yang menyamar menjadi salah satu account email yang dikelola. Bagaimana dengan Zimbra 8?. Pada Zimbra 8 konfigurasinya sedikit berbeda dikarenakan tata letak file nya yang berbeda. Berikut adalah Improvement yang dapat dilakukan pada Zimbra 8

Masuk sebagai user Zimbra
[code lang=’bash’] su – zimbra
vi /opt/zimbra/conf/zmconfigd.cf
[/code] Tambahkan baris berikut dibawah tulisan POSTCONF smtpd_recipient_restrictions FILE zmconfigd/postfix_recipient_restrictions.cf
[code lang=’bash’] POSTCONF proxy_read_maps FILE zmconfigd/proxy_read_maps.cf
[/code] dan tambahkan juga baris berikut dibawah tulisan POSTCONF smtpd_sender_restrictions FILE zmconfigd/smtpd_sender_restrictions.cf
[code lang=’bash’] POSTCONF smtpd_sender_login_maps proxy:ldap:/opt/zimbra/conf/ldap-slm.cf
[/code] Simpan hasil konfigurasi yang dilakukan dan masuk pada folder /opt/zimbra/conf/zmconfigd/
[code lang=’bash’] cd /opt/zimbra/conf/zmconfigd/
vi smtpd_sender_restrictions.cf
[/code] Masukkan baris berikut pada baris paling atas
[code lang=’bash’] permit_mynetworks, reject_sender_login_mismatch
[/code] Simpan dan Exit. Jalankan perintah berikut untuk mengetahui read maps yang sudah ada
[code lang=’bash’] postconf | grep proxy_read_maps
[/code] Pada Zimbra 8 yang saya miliki, hasilnya seperti ini :
[code lang=’bash’] $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps $sender_bcc_maps $recipient_bcc_maps $smtp_generic_maps $lmtp_generic_maps $alias_maps
[/code] Buat file proxy_read_maps.cf dan tambahkan proxy:ldap:/opt/zimbra/conf/ldap-slm.cf pada akhir baris hasil postconf diatas sehingga hasilnya seperti ini :
[code lang=’bash’] vi proxy_read_maps.cf
[/code] [code lang=’bash’] $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps $sender_bcc_maps $recipient_bcc_maps $smtp_generic_maps $lmtp_generic_maps $alias_maps, proxy:ldap:/opt/zimbra/conf/ldap-slm.cf
[/code] Masuk pada folder /opt/zimbra/conf dan buat file ldap-slm.cf
[code lang=’bash’] cd /opt/zimbra/conf
grep server_host /opt/zimbra/conf/ldap-vam.cf
grep bind_pw /opt/zimbra/conf/ldap-vam.cf
vi ldap-slm.cf
[/code] Isi seperti berikut ini

server_host = ldap://HOST:389
server_port = 389
search_base =
query_filter = (&(|(zimbraMailDeliveryAddress=%s)(zimbraMailAlias=%s)(zimbraMailCatchAllAddress=%s)(mail=%s))(zimbraMailStatus=enabled))
result_attribute = zimbraMailDeliveryAddress,zimbraMailForwardingAddress,zimbraPrefMailForwardingAddress,zimbraMailCatchAllForwardingAddress,uid
version = 3
start_tls = yes
tls_ca_cert_dir = /opt/zimbra/conf/ca
bind = yes
bind_dn = uid=zmpostfix,cn=appaccts,cn=zimbra
bind_pw = PASSWORD
timeout = 30

nospam

Ganti server_host dan bind_pw dengan tulisan yang dihasilkan oleh perintah grep diatas. Simpan dan exit, jalankan postfix reload untuk melakukan apply terhadap improvement yang baru saja dilakukan
[code lang=’bash’] chown zimbra:postfix ldap-slm.cf
postfix reload
[/code] Silakan dicoba dan semoga bermanfaat 😀

Referensi : http://www.zimbra.com/forums/administrators/59106-zimbra-8-restrict-posfix-senders.html#post250465

Referensi : http://ahmad.imanudin.com/2013/05/06/improvement-anti-spam-zimbra-restricted-sendersender-must-login-pada-zimbra-8/

Anti Spam Improvement Sender must login
AboutAhmad Imanudin
Ahmad Imanudin, Guest Blogger di <a href="http://www.vavai.com"> http://www.vavai.com </a>.Tinggal di Bekasi. Bekerja sebagai salah satu senior staff pada <a href="http://www.excellent.co.id">PT. Excellent Infotama Kreasindo</a>. Blog pribadi saya dapat diakses pada alamat <a href="http://http://www.imanudin.com">http://www.imanudin.com</a> dan <a href="http://www.imanudin.net">http://www.imanudin.net</a>
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