Libraesva ESG v4.5 to v4.6 Upgrade

Libraesva ESG v4.5 to
File Size310.16 KB
File MD574763ae553c0df8dab79ec246dc14003
File SHA256361fb0ec3e4158b623f87efc3806bd9f1013a81358685196174cb63ac44ecc0f
Create DateMay 21, 2019
Last UpdatedJuly 28, 2022

Libra Esva 4.6

New Features / Changes New Features / Changes

  • Office 365: native support for users and valid recipients import
  • Threat remediation: recall delivered messages from user’s mailboxes (O365, Exchange, Zimbra)
  • Quarantine Report: From field new show "via domain" envelope informations
  • Disarm Microsoft conditional comments from email HTML
  • Full deliverability test available from relay page
  • Attachments table in details page with security hashes
  • Configurable TLS security level


  • Domain Anti-spoofing integrations with user SPF and DMARC
  • Licensing: highlight accounted email
  • Dashboard: improve status summary table and license usage
  • Improved Avira, BitDefender and ClamAV integrations and service reliability
  • URLSand: show original domain as a title to rewritten URL
  • Whitelist and Blacklist now share the same CSV format
  • Add new Search filter "Only SMTP Reject"
  • Automatic VMWare Tools upgrade
  • Highlight OR filter semantics in active filters
  • Dictionary filters applies to subject field
  • Rename HAM/SPAM with simpler terms Good/Bad where possible (bayes, submit, ...)
  • Removed "forgot" bayes filter action which is now automatic
  • Syslog: improved support to RELP/TLS and replication
  • Add pending/deleted/unknown delivery statuses in details page
  • Add SNMP OID to monitor cluster status
  • Add minor releases to ESVA Version to SNMP OID
  • Removed header X-%org-name%-MailScanner-ESVA

Bug fixes:

  • Mail signatures: generate proper configuration when only domain is customized
  • Set system administrator email as MailFrom and MailTo for logwatch
  • Align message security tag in every web page and quarantine report
  • Fix replication of DKIM Keys in Distributed Setup
  • Fix report filter with attachments fields
  • Properly handle content-disposition in mail continuity

Security fixes:

  • Whaling plugin: improve fuzzy email comparison
  • URLSand: improved detection of inlined plain text files
  • Intercept new RTF variant embedded in OLE objects
  • Add DLL to File Extension blocked by default
  • Allow "Release and Whitelist" to domain administrator from quarantine digest
  • Changed defaults SMTP Denial of Service limits
  • Properly follow link shorted with
  • Whitelist and Blacklist are applied to envelope by default
NOTE: This upgrade takes less than 2 minutes to complete and requires a system restart. A Snapshot is always recommended as a best practice!
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