Hi Michael,

Zitat von Michael M Slusarz <slus...@horde.org>
Quoting Michael M Slusarz <slus...@horde.org>:

abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=$
=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC  $
abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=$
=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC abcd=C3=BC$

Looking at this... unfortunately it does look like we are
incorrectly generating the quoted-printable data.  To preserve
whitespace at the end of a line, it must be followed by a "soft line
break" - a bare "=".  This isn't happening here.  It looks like the
quoted-printable decoder used by Cyrus (I can also confirm the same
behavior on Dovecot 2.2) is much stricter about the format than our
encoder.

We are using PHP's built-in quoted-printable stream encoder to
produce this output so this (unfortunately) might be an issue
outside of the realm of Horde/IMP.  I will need to investigate
further.

...and it is a PHP bug.

https://bugs.php.net/bug.php?id=64166

michael

thank you for your support - I wouldn't have been able to spot the root cause for my lack of experience in this field.

I'll monitor that bug report. Luckily, the effect is more of an annoyance and no show stopper :)

With regards,
Jens
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