Procmail Decoding Mime Messages
Julian H. Stacey
jhs at berklix.com
Thu Apr 25 00:12:21 UTC 2013
Polytropon wrote:
> On Wed, 24 Apr 2013 16:07:35 -0500, Martin McCormick wrote:
> > Is there a filter that one can run in procmail in which
> > base64 encoded data go in and text comes out so one can allow
> > procmailrc to do its work?
Good question, I havent tried that yet, (but should),
but I have been demiming both to help majordomo on servers, & via procmail
on local (to reduce bulk on my future archives of personal mail).
2 tools worth knowing in /usr/ports/mail/ : demime emil
A few notes from my
http://berklix.com/~jhs/src/bsd/fixes/freebsd/ports/jhs/mail/Makefile.local
(where I've also more notes on eg much hated quoted-printable )
--------
SUBDIR += emil
# A candidate to be assesed for stripping quoted-printable from
# majordomo on server, to help cluless people.
# Something needed to replace demime as demime has been removed.
# SUBDIR += mime4j
# "It won't do any decoding of base64 or quoted-printable
# encoded header fields and bodies."
SUBDIR += demime
# For majordomo on list servers,
# For all the many lazy & incompetents who cant turn off sending
# HTML to mail lists, despite having had a decade to learn.
# (& for a few people who do understand they should, have tried to, but
# can''t find where to turn off their HTML, if their ISP even allows.
# Missing in FreeBSD-9.1-RELEASE so see also SUBDIR += mail/emil
--------
> > Is there anything which will take a raw email message
> > and spit out linear strings which can be processed like normal
> > text?
See man emil ; man demime
PS Trying to get procmail to work with a macro with a pipe defined
after + $RCVSTOREUNSEEN, was a long pain & I failed so I use a
longer version below which works, appended for syntax example.
RCVSTORE=/usr/local/libexec/nmh/rcvstore
RCVSTOREUNSEEN="$RCVSTORE -nounseen"
# A 2nd copy, just text, stripped of MIME enclosures is
# stored in $PRI_MAIL by $RCVSTOREUNSEEN
# The 2nd copy is stored with $RCVSTORE -nounseen so I dont have to
# click the archive copy from within exmh.
NOMIME="/usr/local/bin/demime -8 -"
# Demime is not in current after 9.1-RELEASE
# To not demime instead use NOMIME=cat
# NOMIME=cat
# NOMIME=/usr/local/bin/emil
# Emil converts a .jpg MIME to a uuencoded appended without MIME
# I can not seem to achieve something like this:
# XYZ="$NOMIME | $RCVSTOREUNSEEN"
{
:0 cw
| $NOMIME | $RCVSTOREUNSEEN +$PRI_MAIL/my/archive
:0 wc
| $RCVSTORE +$INBOX_PLAIN
}
Cheers,
Julian
--
Julian Stacey, BSD Unix Linux C Sys Eng Consultant, Munich http://berklix.com
Reply below not above, like a play script. Indent old text with "> ".
Send plain text. No quoted-printable, HTML, base64, multipart/alternative.
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