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--- internet:mail:zimbra:zimbra_spam [2020/03/12 13:42]
gcooper
+++ internet:mail:zimbra:zimbra_spam [2024/04/18 13:51] (current)
gcooper
@@ Line 4: / Line 4: @@
 See also **[[internet:mail:zimbra:zimbra_white_black|Zimbra - Whitelist or Blacklist IP Addresses]]**
+**Whitelist and blacklist**: https://computingforgeeks.com/configure-whitelist-blacklist-zimbra-amavis-spam-filtering/
 **Best Practices 2019**: https://www.missioncriticalemail.com/2019/03/21/zimbra-anti-spam-best-practices-2019/
@@ Line 15: / Line 17: @@
   * https://wiki.zimbra.com/wiki/Zimbra_Collaboration_Postscreen
-**Zimbra Anti-spam Strategies**: https://wiki.zimbra.com/wiki/Anti-spam_Strategies
+**Zimbra Anti-spam Strategies**: https://www.missioncriticalemail.com/2019/03/21/zimbra-anti-spam-best-practices-2019/
 **Best Practices**: https://wiki.zimbra.com/wiki/Best_Practices_on_Email_Protection:_SPF,_DKIM_and_DMARC
@@ Line 50: / Line 52: @@
 {{:internet:mail:zimbra_spam.png?750 |}}
+===== Terms =====
+^RBL            |block list for checking IP addresses                |
+^RHSBL          |block list for checking domains                     |
+^URIBL          |block list for checking links within an email body  |
+^False Positive |legitimate email incorrectly identified as spam     |
+^Postscreen     |kind of an inbound email firewall                   |
+^Postfix        |MTA included with Zimbra                            |
+^Amavisd        |processes emails through SpamAssassin and ClamAV before allowing Postfix to deliver them |
+^SpamAssassin   |performs hundreds of tests on an email              |
+^ClamAV         |anti-virus engine that ships with Zimbra            |
 ===== Anti-Virus =====
@@ Line 64: / Line 78: @@
 http://wiki.zimbra.com/wiki/How_to_re-create_the_Quarantine_Account
+https://wiki.zimbra.com/wiki/Restore-Quarantined-Emails
 ===== Banned Content =====
@@ Line 236: / Line 252: @@
 <file>
-zmprov ma user@example.com amavisBypassSpamChecks TRUE amavisSpamLover TRUE
+zmprov ma user@domain.tld +amavisBannedFilesLover
+zmprov ma user@domain.tld amavisBypassSpamChecks TRUE amavisSpamLover TRUE
 </file>
-For an entire domain:
+Disable all filtering for an entire domain:
 <file>
-zmprov md domain.tld +amavisBannedFilesLover TRUE
+domain="domain.tld"
-zmprov md domain.tld +amavisSpamLover TRUE
+zmprov md $domain +amavisBypassSpamChecks TRUE
+zmprov md $domain +amavisBannedFilesLover TRUE
+zmprov md $domain +amavisSpamLover TRUE
 </file>
+List domains with spam filtering turned off:
+<file>
+for DOMAIN in `zmprov gad`; do zmprov gd $DOMAIN amavisSpamLover; done
+</file>

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