[Dovecot] UTF-8 mailbox names in filesystem

Timo Sirainen tss at iki.fi
Wed Nov 11 00:39:30 EET 2009


On Tue, 2009-11-10 at 17:24 -0500, Ben Winslow wrote:
> A while ago, I was playing around with the idea of encoded '/'s in
> Maildir names since many people have asked for a way to use them.
> UTF-7 does not require that each character be representable in only 1
> way like UTF-8 does, so it's possible to encode US-ASCII characters and
> put them into the folder name; 

This is explicitly disallowed by RFC 3501:

"Modified BASE64 MUST NOT be used to represent any printing US-ASCII
character which can represent itself."

Anyway, listescape plugin can already do that, as long as you're not
using '/' as hierarchy separator.

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