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IMPORTANT
SNS 3.x versions have reached End of Maintenance since July 1st, 2024.
We recommend that you update your SNS firewalls to a version with maintenance to guarantee the protection of your infrastructure.

# POP3 Commands tab

## Proxy

### Main commands

This menu allows you to authorize or reject POP3 commands defined in the RFCs. You can let commands pass, block them or analyze the syntax and check that the command complies with the current RFCs in force.

The button Modify all commands makes it possible to allow, reject or check all commands.

Command | Indicates the name of the command.
Action | Makes it possible to define the behavior of the command. Out of the available possibilities, click on the action of the command to modify it: Scan: data relating to the command will be scanned in compliance with the RFCs and blocked where necessary. Example: If the name of the USER command does not comply with the RFCs, the packet will not be sent to the server. Pass without analyzing: the command will be allowed without being checked. Block: the command will be blocked automatically, and an alarm will be raised to indicate it. Javascript (files with a ".js" extension).

### Other commands allowed

Command | This field allows adding additional personal commands.