This is a provider for the Internet Post Office Protocol, version 3 (POP3), as detailed in RFC 1939.

This provider supports transport layer security (TLS), as described in RFC 2595, and uses APOP authentication if the server advertises this capability.

The POP3 store provides access to a single folder named "INBOX". Folder management operations are not supported by POP3; nor are permanent flags.

This store does not provide a local cache of messages. You can implement such a cache yourself using the mbox or Maildir providers in this distribution.

POP3 does not support the expunge method according to the JavaMail specification. Messages deleted using expunge will only be removed from the folder when the close method is called.

This provider supports the following properties:
Name Type Description
mail.pop3.host IP address or hostname The POP3 server to connect to.
mail.pop3.port integer (>=1) The port to connect to, if not the default.
mail.pop3.user username The default username for POP3.
mail.pop3.timeout integer (>=1) Socket I/O timeout, in milliseconds. Default is no timeout.
mail.pop3.tls boolean If set to false, TLS negotiation will not be attempted.
mail.pop3.apop boolean If set to false, APOP authentication will not be attempted.
mail.pop3.rsetbeforequit boolean If set to true, an RSET command will be issued before QUIT. This is useful for broken servers that implicitly mark read messages as deleted.