MIMECONV parameter == MIMECONV=mimeConv[,mimeConv]
mimeConv == thru | charcode | nospenc
| textonly | alt:first | alt:plain
-- default: none
-- MIMECONV="" if CHARCODE parameter is given
Control MIME encoding/decoding in NNTP/POP/SMTP DeleGate.
MIMECONV=thru disables any MIME encoding/decoding, and
MIMECONV=charcode enables only character code conversion.
MIMECONV=nospenc disables a special encoding of space character in
non-ASCII (ISO-2022-JP) text in MIME header.
Here is a group of options for filtering a "multipart/*" message
to convert it into a plain message by selecting or unfolding the
list of parts as follows:
textonly -- only the first text/* part in multipart/*
alt:first -- only the first alternative in multipart/alternative
alt:unfold -- all of alternatives in multipart/alternative