imap mailbox name

Rob Siemborski rjs3 at
Thu Jul 3 13:02:37 EDT 2003

On Thu, 3 Jul 2003, [iso-8859-1] Brasseur Valéry wrote:

> what are the valid char in an mailbox name ?
> I was think that it was mutf-7 , but it seems that cyrus refuse de create a
> mailbox name !!!
> should I escape something ?
> is there invalid char for Cyrus ?

Yeah, the mailbox names are limited to characters in the GOODCHARS define
in mboxname.c (plus & for mUTF-7 encoding).

Offhand I can't come up with a good reason for # to be disallowed other
than someone was being paranoid when they wrote it.


Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper

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