LMTPD is a RFC2033 compliant LMTPD server.
Supported features :
 o Maildir++ folder and soft quotas
 o User defined filters
 o Automatic Maildir creation
 o Courier Shared folder
 o User extensions
 o Virtual domains via libhome
 o MySQL and syslog logging
 o Fully configurable
 o Antivirus checks using external ClamAV, Sophie or Dr Web server
 o Interface with SpamAssasin

WWW: http://pll.sourceforge.net/