Tickets :: Comment on [#10093] Cannot create folder name with ampersand

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Comment	>> This test whether a string is already encoded doesn't work. >> Ampersands are used for other escapings than escaping the ampersand >> itself too. I can't access the folder "Quarantäne" anymore, for >> example, because it translates to "Quarant&AOQ-ne". > > Then all of Horde_Imap_Client is broken. Because we allow UTF-8 > input for all mailbox parameters, which are all internally converted > to UTF7-IMAP, so all of Horde_Imap_Client is unusable with mailboxes > with ampersands according to its API. > > The best solution is to ALWAYS require UTF-8 mailbox names. But this > is going to require a complete rewrite of much of IMP, since we > mostly use UTF7-IMAP to internally represent mailbox names (although > we interchangably use the two in several locations). > > Which means that IMP 5.1 needs to be released (and soon). This is a > major issue to me since it completely prevents entire mailboxes from > being accessed. > > This is EXACTLY why RFC 3501 tells you not to use ampersands in > mailbox names. Just because it is technically feasible does not mean > that we should allow it.
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