Mpop

Mpop is a POP3 client application. 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, POP3 implementation using command pipelining, TLS/SSL support including client certificates, authentication methods USER/PASS, APOP, PLAIN, LOGIN, CRAM-MD5, EXTERNAL, GSSAPI, SCRAM-SHA-1, DIGEST-MD5, and NTLM, IPv6 support, support for Internationalized Domain Names (IDN), and support for multiple POP3 accounts.