sieve - "malformed email address"es - space at EOL?

From	Zenaan Harkness <zenaan@freedbms.net>
Newsgroups	linux.debian.user
Subject	sieve - "malformed email address"es - space at EOL?
Date	2017-08-11 05:20 +0200
Message-ID	<ud8Eq-6A4-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Any sieve gurus?

(YES, I finally made it off of procmail, and sieve is AWEsome in
comparison - oh happy days :)

So two sieve failures (dodgy incoming emails got through gmail)
exposed themselves in relation to sieve in the last few days as
follows:


1)
The first is simply a "superfluous" space char at the end of the line
on the "From:" line, as follows (ignore leading spaces):

   From: "EFA" <memberadmin@efa.org.au>⋅

Note the deceptively cheeky little space char at the end of the line
- and yes, either EFA or some middle man has a dodgy MUA/ mail
processing agent.

QUESTION:
Why is a single space at this EOL, so malformed as to cause sieve to
spit the dummy with an error?



2)
The dodgiest "To:" line I have literally ever seen, as follows:

To: <Undisclosed-Recipient:;>

Notice the colon, AND the semi colon, in this "email address".

Again gmail passed it right through.

I can actually accept this failure of sieve to pass the email through
- such an addy is indeed rather egregious.

BUT, it would be nice to have sieve actuallly OUTPUT the actual
problematic email address, and to this end, does anyone know some
magical incantation to add to sieve, so I can see all problematic
(and only the problematic) lines of incoming emails, as "error
output" by sieve to the cmd line?

Manually reducing the lines being processed by sieve, running sieve
each time, till I finally figured out exactly which lines of which
emails is causing the problem, is quite the biatch TBH :)


TIA,
Zen

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Thread

sieve - "malformed email address"es - space at EOL? Zenaan Harkness <zenaan@freedbms.net> - 2017-08-11 05:20 +0200
  Re: sieve - "malformed email address"es - space at EOL? Darac Marjal <mailinglist@darac.org.uk> - 2017-08-11 12:10 +0200
    Re: sieve - "malformed email address"es - space at EOL? Zenaan Harkness <zenaan@freedbms.net> - 2017-08-11 13:50 +0200
      Re: sieve - "malformed email address"es - space at EOL? David Wright <deblis@lionunicorn.co.uk> - 2017-08-11 15:30 +0200
        Re: sieve - "malformed email address"es - space at EOL? Zenaan Harkness <zenaan@freedbms.net> - 2017-08-11 15:40 +0200

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