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

[DIR]rmilter/  direct  44 twin directories
[DIR]zms/  direct  103 twin directories
[DIR]zmailer/  direct  615+ twin directories
[DIR]zabit/  direct  96 twin directories
[DIR]xpi-displayquota/  direct  88 twin directories
[DIR]xpbiff/  direct  109 twin directories
[DIR]xmailwatcher/  direct  329+ twin directories
[DIR]xmailbox/  direct  958+ twin directories
[DIR]xmail/  direct  1046+ twin directories
[DIR]xlbiff/  direct  818+ twin directories
[DIR]xfmail/  direct  1235+ twin directories
[DIR]xfce4-mailwatch-plugin/  direct  884+ twin directories
[DIR]xfaces/  direct  934+ twin directories
[DIR]xf-spf/  direct  99 twin directories
[DIR]xbuffy/  direct  1042+ twin directories
[DIR]wmymail/  direct  92 twin directories
[DIR]wmpop3lb/  direct  195 twin directories
[DIR]wmpop3/  direct  398+ twin directories
[DIR]wmmultipop3/  direct  160 twin directories
[DIR]wmmaiload/  direct  842+ twin directories
[DIR]wmmail/  direct  992+ twin directories
[DIR]wmbiff/  direct  1327+ twin directories
[DIR]whoson/  direct  270+ twin directories
[DIR]websieve/  direct  505+ twin directories
[DIR]wbl/  direct  124 twin directories
[DIR]wanderlust-xemacs21-mule/  direct  93 twin directories
[DIR]wanderlust-emacs21/  direct  87 twin directories
[DIR]wanderlust/  direct  455+ twin directories
[DIR]vrfy/  direct  857+ twin directories
[DIR]vqregister/  direct  322+ twin directories
[DIR]vqadmin/  direct  429+ twin directories
[DIR]vpopmail-devel/  direct  92 twin directories
[DIR]vpopmail/  direct  745+ twin directories
[DIR]vodmr/  direct  112 twin directories
[DIR]vmailmgr/  direct  430+ twin directories
[DIR]vm-pop3d/  direct  226+ twin directories
[DIR]vm/  direct  8665+ twin directories
[DIR]vexim/  direct  163 twin directories
[DIR]vchkuser/  direct  154 twin directories
[DIR]vbsfilter/  direct  92 twin directories
[DIR]vacation/  direct  1694+ twin directories
[DIR]usendmail/  direct  111 twin directories
[DIR]up-imapproxy/  direct  1044+ twin directories
[DIR]uebimiau/  direct  174 twin directories
[DIR]tumgreyspf/  direct  624+ twin directories
[DIR]tpop3d/  direct  222+ twin directories
[DIR]tmda/  direct  900+ twin directories
[DIR]tlb/  direct  145 twin directories
[DIR]tkrat2/  direct  93 twin directories
[DIR]thunderbird-i18n/  direct  95 twin directories