ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/mail/  direct

[DIR]rmilter/  direct  26 twin directories
[DIR]zms/  direct  96 twin directories
[DIR]zmailer/  direct  589+ twin directories
[DIR]zabit/  direct  88 twin directories
[DIR]xpi-displayquota/  direct  80 twin directories
[DIR]xpbiff/  direct  99 twin directories
[DIR]xmailwatcher/  direct  293+ twin directories
[DIR]xmailbox/  direct  880+ twin directories
[DIR]xmail/  direct  967+ twin directories
[DIR]xlbiff/  direct  754+ twin directories
[DIR]xfmail/  direct  1162+ twin directories
[DIR]xfce4-mailwatch-plugin/  direct  784+ twin directories
[DIR]xfaces/  direct  876+ twin directories
[DIR]xf-spf/  direct  91 twin directories
[DIR]xc-mail/  direct  92 twin directories
[DIR]xbuffy/  direct  955+ twin directories
[DIR]wmymail/  direct  84 twin directories
[DIR]wmpop3lb/  direct  172 twin directories
[DIR]wmpop3/  direct  377+ twin directories
[DIR]wmmultipop3/  direct  150 twin directories
[DIR]wmmaiload/  direct  778+ twin directories
[DIR]wmmail/  direct  909+ twin directories
[DIR]wmbiff/  direct  1228+ twin directories
[DIR]whoson/  direct  247+ twin directories
[DIR]websieve/  direct  488+ twin directories
[DIR]wbl/  direct  116 twin directories
[DIR]wanderlust-xemacs21-mule/  direct  85 twin directories
[DIR]wanderlust-emacs21/  direct  79 twin directories
[DIR]wanderlust/  direct  434+ twin directories
[DIR]vrfy/  direct  805+ twin directories
[DIR]vqregister/  direct  301+ twin directories
[DIR]vqadmin/  direct  394+ twin directories
[DIR]vpopmail-devel/  direct  84 twin directories
[DIR]vpopmail/  direct  694+ twin directories
[DIR]vodmr/  direct  104 twin directories
[DIR]vmailmgr/  direct  408+ twin directories
[DIR]vm-pop3d/  direct  203+ twin directories
[DIR]vm/  direct  7848+ twin directories
[DIR]vexim/  direct  155 twin directories
[DIR]vchkuser/  direct  127 twin directories
[DIR]vbsfilter/  direct  84 twin directories
[DIR]vacation/  direct  1553+ twin directories
[DIR]usendmail/  direct  103 twin directories
[DIR]up-imapproxy/  direct  957+ twin directories
[DIR]uebimiau/  direct  165 twin directories
[DIR]tumgreyspf/  direct  578+ twin directories
[DIR]tpop3d/  direct  199 twin directories
[DIR]tmda/  direct  846+ twin directories
[DIR]tlb/  direct  137 twin directories
[DIR]tkrat2/  direct  85 twin directories