A potion or charm intended to excite the passion of love.

To impregnate or mix with a love potion; as, to philter a draught.

To charm to love; to excite to love or sexual desire by a potion.

Philter is a mail filter written in Python which sorts email which is stored in a qmail-style maildir on Linux. It is meant to be used in conjunction with a mail fetching tool like getmail. A properties file is used to setup the basic filtering configuration.