org.opengion.fukurou.mail
インタフェース 
MailCharset
MailReceiveListener
クラス 
CharCodeConverter
JISDataSource
Mail_ISO2022JP_Charset
Mail_Windows31J_Charset
MailAttachFiles
MailCharsetFactory
MailMessage
MailReceiver
MailRX
MailTransfer
MailTX
UnicodeCorrecter