Zimbra 7 on Centos 5: Server Status All Red

From:
http://www.zimbra.com/forums/administrators/33210-solved-web-admin-ui-server-status-offline-7.html

Solusi:
Ganti service syslog dengan rsyslog

restart


thanks

Zimbra sebagai backup MX

From:
http://www.marz.ca/2012/01/06/configuring-zimbra-as-a-secondary-mx-server/

Misal:
- primary.mailserver.com
- secondary.mailserver.com (using zimbra)

Langkah2x:
1. Login sebagai zimbra
2. Pada konsole, jalankan perintah ini:
zmprov md domain.com zimbraMailCatchAllAddress @domain.com
zmprov md domain.com zimbraMailCatchAllForwardingAddress @domain.com
zmprov md domain.com zimbraMailTransport smtp:primary.mailserver.com

3. done

Improving Anti-SPAM

Nice info from:

http://wiki.zimbra.com/index.php?title=Improving_Anti-spam_system

Thanks

Whitelist & Blacklist

From:
http://ngadimin.com/2009/07/16/meningkatkan-performa-anti-spam-di-zimbra/

Tambahkan di file /opt/zimbra/conf/sa.local.cf spt berikut:

# Whitelist
whitelist_from sales1@munyuk.com
whitelist_from promosi@begadang.com
whitelist_from noreply@balasan.com

# Blacklist
blacklist_from sales@palsu.com
blacklist_from *@sukaiseng.net

Restart Amavisd:

su - zimbra
zmamavisdctl restart

Menampilkan subject pada log

From:
http://ngadimin.com/2009/08/28/mencatat-subject-email-pada-log-email-zimbra/

Buat file header_checks, dan tambahkan baris berikut:

/^subject:/ WARN

Aktifkan di zimbra:

su - zimbra
zmlocalconfig -e postfix_header_checks="pcre:/opt/zimbra/conf/postfix_header_checks, \
regexp:/etc/postfix/header_checks"

Restart MTA:

zmmtactl restart

Domain Masquerading

From:
http://wiki.zimbra.com/index.php?title=ManagingDomains

Menambahkan via konsole:
zmprov md domain.com zimbraMailCatchAllAddress @domain.com \
      zimbraMailCatchAllCanonicalAddress @example.com

Perintah tsb akan mengubah user@domain.com menjadi user@example.com

Menambahkan RBL restriction

From:
http://wiki.zimbra.com/wiki/Zimbra_MTA#SMTP_Restrictions

RBL default pada saat instalasi zimbra adalah sebagai berikut:

•	reject_invalid_hostname

•	reject_non_fqdn_hostname

•	reject_non_fqdn_sender

Tambahan:

•	reject_rbl_client dnsbl.njabl.org

•	reject_rbl_client cbl.abuseat.org

•	reject_rbl_client bl.spamcop.net

•	reject_rbl_client dnsbl.sorbs.net

•	reject_rbl_client sbl.spamhaus.org

•	reject_rbl_client relays.mail-abuse.org

Menambahkan RBL via konsole

1.	Login dan su - zimbra

2.	Ketik zmprov gacf | grep zimbraMtaRestriction, utk melihat setting RBL.

3. Utk menambahkan ketik zmprov mcf zimbraMtaRestriction [RBL type]

Contoh:
zmprov mcf zimbraMtaRestriction reject_invalid_hostname \
      zimbraMtaRestriction reject_non_fqdn_hostname \
      zimbraMtaRestriction reject_non_fqdn_sender \
      zimbraMtaRestriction “reject_rbl_client dnsbl.njabl.org” \
      zimbraMtaRestriction “reject_rbl_client cbl.abuseat.org” \
      zimbraMtaRestriction “reject_rbl_client bl.spamcop.net” \
      zimbraMtaRestriction “reject_rbl_client dnsbl.sorbs.net” \
      zimbraMtaRestriction “reject_rbl_client sbl.spamhaus.org” \
      zimbraMtaRestriction “reject_rbl_client relays.mail-abuse.org”