content-scan-level {high | low | medium}

Select the scan level of dictionary and DLP rules.

When set to medium or high, FortiMail uses recursive regular expressions to find a match, which consumes more system resources.

decompress-max-level <level_int>

Enter how many levels to decompress the archived files for antivirus and content scan. Valid range is 1 to 36.

decompress-max-ratio <ratio_int>

Enter the maximum compression ratio for FortiMail to decompress. Valid range is 1 to 1000.

decompress-max-size <size_int>

Enter the maximum file size in megabytes (MB) to scan after the archived files are decompressed. This applies to every file after decompression. Bigger files will not be scanned.

personal-quarantine-attachment-scan {enable | disable}

For email that is sent to personal quarantine, select whether to continue or stop later scans of the email's attachments.

scan-microsoft-msg {enable | disable}

Enable to scan attachments in Microsoft Transport Neutral Encapsulation format (TNEF) and MSG file formats.

scan-timeout-action {tempfail | passthrough}

When the email attachments are large and the email scan has timed out, select whether FortiMail will reply to the SMTP client with an SMTP temporary failure code, or skip later scans.