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internet:mail:zimbra:zimbra_spam [2016/08/23 09:49] gcooper |
internet:mail:zimbra:zimbra_spam [2024/04/18 13:51] (current) gcooper |
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See also **[[internet: | See also **[[internet: | ||
- | See also **[[internet: | + | See also **[[internet: |
- | **Zimbra Anti-spam Strategies**: https:// | + | **Whitelist and blacklist**: |
+ | |||
+ | **Best Practices 2019**: https:// | ||
+ | |||
+ | **Custom Rules**: https:// | ||
+ | |||
+ | **Postscreen Pre-Checks**: | ||
+ | |||
+ | * https:// | ||
+ | |||
+ | * https:// | ||
+ | |||
+ | **Zimbra | ||
**Best Practices**: | **Best Practices**: | ||
+ | |||
+ | **Rejecting False From Addresses**: | ||
+ | |||
+ | **Enforce Username Match**: https:// | ||
http:// | http:// | ||
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{{: | {{: | ||
+ | |||
+ | ===== Terms ===== | ||
+ | |||
+ | ^RBL |block list for checking IP addresses | ||
+ | ^RHSBL | ||
+ | ^URIBL | ||
+ | ^False Positive |legitimate email incorrectly identified as spam | | ||
+ | ^Postscreen | ||
+ | ^Postfix | ||
+ | ^Amavisd | ||
+ | ^SpamAssassin | ||
+ | ^ClamAV | ||
===== Anti-Virus ===== | ===== Anti-Virus ===== | ||
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http:// | http:// | ||
+ | |||
+ | https:// | ||
===== Banned Content ===== | ===== Banned Content ===== | ||
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==== Enable Dspam ==== | ==== Enable Dspam ==== | ||
+ | |||
+ | :!: This may no longer be available. | ||
< | < | ||
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zmprov mcf zimbraVirusBlockEncryptedArchive FALSE | zmprov mcf zimbraVirusBlockEncryptedArchive FALSE | ||
zmcontrol restart | zmcontrol restart | ||
+ | </ | ||
+ | |||
+ | ===== Disable Filtering for a User or Domain ===== | ||
+ | |||
+ | This will make a user a 'spam lover' and will bypass scanning if emails are sent only to them: | ||
+ | |||
+ | < | ||
+ | zmprov ma user@domain.tld +amavisBannedFilesLover | ||
+ | zmprov ma user@domain.tld amavisBypassSpamChecks TRUE amavisSpamLover TRUE | ||
+ | </ | ||
+ | |||
+ | Disable all filtering for an entire domain: | ||
+ | |||
+ | < | ||
+ | domain=" | ||
+ | zmprov md $domain +amavisBypassSpamChecks TRUE | ||
+ | zmprov md $domain +amavisBannedFilesLover TRUE | ||
+ | zmprov md $domain +amavisSpamLover TRUE | ||
+ | </ | ||
+ | |||
+ | List domains with spam filtering turned off: | ||
+ | |||
+ | < | ||
+ | for DOMAIN in `zmprov gad`; do zmprov gd $DOMAIN amavisSpamLover; | ||
</ | </ |