Technical Tip: How to improve FortiAnalyzer perfor...

acapalbo · 09-04-2024

Description This article describes why FortiMail receives SPF validation failed messages from destination MX-protected Mail Server (mails from external unprotected domains). Scope FortiMail. Solution If an incoming mail (RCPT TO: user on a protected ...

acapalbo · 05-29-2024

Description This article describes how to prevent the 'Connection is not TLS encrypted' message on FortiMail if a remote MTA is configured to use ESMTP only. Scope FortiMail v7.2, v7.4. Solution As per default settings, FortiMail is configured to use...

acapalbo · 11-14-2022

Description This article describes how to mitigate the FortiAnalyzer high CPU usage when the FortiSIEM module is enabled but not used. Scope FortiAnalyzer v6.4+. Solution In FortiAnalyzer 6.4, the FortiSIEM database is introduced and it consumes reso...

acapalbo · 11-08-2022

Description This article describes how to avoid the 'Recipient Verification – Reject' error that occurs with an incorrect smtp-rcpt-verification configuration. Scope FortiMail v7.0+. Solution When the smtp-rcpt-verification is enabled on protected do...

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Technical Tip: How to fix 550 SPF Check Failed from protected Mail Server

Technical Tip: How to prevent 'Connection is not TLS encrypted. Recipient organization requires TLS' message

Technical Tip: How to improve FortiAnalyzer performances when FortiSIEM module is not needed

Troubleshooting Tip: Avoiding a 'Recipient Verification – Reject' error caused by an incorrect smtp-rcpt-verification configuration

Technical Tip: How to improve FortiAnalyzer perfor...

Technical Tip: How to prevent 'Connection is not T...

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