POP3 connector

The POP3 connector page allows configuring a list of mail accounts that will be checked regularly. Messages from these remote accounts will be delivered to local users or groups.

It is not recommended to use the POP3 connector as the primary method for managing email. Mail delivery can be affected by space and connectivity problems of the provider’s server. Also the spam filter is less effective, because the original email envelope information are lost.

POP3/IMAP accounts are configured from POP3 connector > Accounts page. For each account can be specified:

  • the email address (as unique account identifier),
  • the protocol (IMAP/POP3),
  • the remote server address,
  • the account credentials,
  • the local user or group account where to deliver messages,
  • if SSL should be disabled (not recommended),
  • if a message has to be deleted from the remote server after delivery.


It is allowed to associate more external accounts to a local one. Deleting an account will not delete already delivered messages.

After the account configuration has been completed, the POP3 connector module must be activated explicitly from the POP3 connector > General page. On the same page the remote server polling interval can be set from Check accounts every menu.

The underneath implementation is based on Fetchmail [1]. After fetching mail messages from the POP3/IMAP provider, Fetchmail delivers them locally by connecting directly to the local mail-filter server. All messages are filtered accordingly to the configured rules.

All operations are logged to the following files:

  • /var/log/fetchmail.log
  • /var/log/maillog


If an Active Directory account was selected for delivery and has been subsequently deleted, the configuration becomes inconsistent! The existing account configuration in POP3 connector page must be disabled or deleted.


[1]Fetchmail is a remote-mail retrieval and forwarding utility http://www.fetchmail.info/