POP3 proxy


This module is officially deprecated since NethServer 7.8.2003


The configuration page of this module is available only in the old Server Manager and will not be ported to the new one.


Since NethServer 7.5.1804 new Correo electrónico, Connectors and POP3 proxy installations are based on the Rspamd filter engine. Previous NethServer installations are automatically upgraded to Rspamd as described in Email module transition to Rspamd

A user on the LAN can configure an email client in order to connect to an external POP3 server and download mail messages. Please note that fetched mail could contain viruses that may infect computer on the network.

The POP3 proxy intercepts connection to external servers on port 110, then it scans all incoming email, in order to block viruses and tag spam. The process is absolutely transparent to mail clients. The user will believe that they are connected directly to the provider’s POP3 server, but the proxy will intercept all traffic and handle the connection to the server.

It’s possible to selectively activate the following controls:

  • antivirus: los mensajes que contienen virus son rechazados y se envía un correo electrónico de notificación al usuario

  • spam: messages will be marked with the appropriate antispam scores


El proxy también puede interceptar conexiones POP3 en el puerto 995. El proxy establecerá una conexión segura con el servidor externo, pero el intercambio de datos con el cliente LAN estará en texto claro.


Mail clients must be configured to connect to port 995 and will have to turn off encryption.