[Dovecot] . (dot) in maildir folder names

Timo Sirainen tss at iki.fi
Sat May 25 01:19:14 EEST 2013


On 25.5.2013, at 0.48, Christoph Anton Mitterer <calestyo at scientia.net> wrote:

> On Fri, 2013-05-24 at 16:14 +0300, Timo Sirainen wrote:
>> There is no standard escaping.
> btw... When I create a folder with unicode chars ... e.g. via Evolution
> or TB.. then the maildirs created on the dovecot side use the encoding
> schema as described here http://www.courier-mta.org/maildir.html
> 
> Is this encoding then done by Dovecot or is it the client who does this?

That is pretty much standard IMAP mUTF-7. Wonder why that's not mentioned in there.

But yeah, looks like it also suggests encoding the '.' and '/' using the mUTF-7 format. That is forbidden by IMAP. So having such names in the maildir and serving them to IMAP clients would actually violate the IMAP protocol.



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