mpop

mpop is a POP3 client: it retrieves mail from POP3 mailboxes. Features include: Header based mail filtering: filter junk mail before downloading it. Delivery to MBox files, maildir Folders, or a mail Delivery Agent (MDA). Delivery with SMTP is possible by using an appropriate MDA, for example msmtp. Fast POP3 implementation using command pipelining. Authentication methods USER/PASS, APOP, PLAIN, LOGIN, CRAM-MD5, DIGEST-MD5, GSSAPI, and NTLM. TLS/SSL both in POP3-over-SSL mode and in STARTTLS mode. Full certificate trust checks can be performed. A client certificate can be sent. Support for multiple POP3 accounts. Support for Internationalized Domain Names (IDN). IPv6 support. mpop is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.