F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

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  • Have you configured correct SMTP server? Yes.

    Yes, F5 send mail to respecting mail box. Try below command to check if F5 sent mail.

    echo "Test message" | mail -vs "Test message" user@example.com

    Capture the packet via tcpdump and analysis

    tcpdump port 53