MTA_ADR_NOSTATUS
MTA_ADR_STATUS
MTA_BCC
MTA_BLANK
MTA_CC
MTA_CHANNEL
MTA_CFILENAME
MTA_CFILENAME_NONE
MTA_CTYPE
MTA_ENC_BASE64
MTA_ENC_BASE85
MTA_ENC_BINHEX
MTA_ENC_BTOA
MTA_ENC_COMPRESSED_BASE64
MTA_ENC_COMPRESSED_BINARY
MTA_ENC_COMPRESSED_UUENCODE
MTA_ENC_HEXADECIMAL
MTA_ENC_NONE
MTA_ENC_PATHWORKS
MTA_ENC_QUOTED_PRINTABLE
MTA_ENC_UNKNOWN
MTA_ENC_UUENCODE
MTA_END_LIST
MTA_ENV_FROM
MTA_FRAGMENT_BLOCKS
MTA_FRAGMENT_LINES
MTA_ENV_TO
MTA_FROM
MTA_HDR_ADRS
MTA_HDR_BCC
MTA_HDR_CC
MTA_HDR_FILE
MTA_HDR_LINE
MTA_HDR_NOADRS
MTA_HDR_NORESENT
MTA_HDR_PROC
MTA_HDR_RESENT
MTA_HDR_TO
MTA_HDRMSG_FILE
MTA_HDRMSG_PROC
MTA_IGNORE_ERRORS
MTA_INTERACTIVE
MTA_ITEM_LIST
MTA_MAX_TO
MTA_MODE_BINARY
MTA_MODE_TEXT
MTA_MSG_FILE
MTA_MSG_PROC
MTA_NOBLANK
MTA_NOIGNORE_ERRORS
MTA_PRIV_DISABLE_PROC
MTA_PRIV_ENABLE_PROC
MTA_SUBADDRESS
MTA_SUBJECT
MTA_TO
MTA_USER