On 24.07.2017 12:34, Merlin Hartley wrote:
In my Exim configuration I have some code which strips the NUL
characters from externally received messages and prohibits my local
users from submitting messages which contain them - you could probably
come-up with a similar thing for sendmail.
This may be useful:
http://info-cyrus.andrew.cmu.narkive.com/Rro4Nn9M/554-message-contains-nul-characters
The link talks about stripping the offending character -- which would
break the content in some cases (including mine).
Maybe, it is time deliver is modified to do the right thing -- and
re-encode if it really has to? Or, perhaps, imapd can do the re-encoding
on the fly so that the images on the disk can keep these characters the
way /var/mail/mboxes can?
-mi
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