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<body><div style="font-family:Arial;">No, it's deliberately allowing that case because in altnamespace, those are the Inbox subfolders, so they have to be allowed.<br></div>
<div style="font-family:Arial;"><br></div>
<div style="font-family:Arial;">It still stops INBOX.INBOX.INBOX.INBOX.INBOX.INBOX.... which was the pathological case.<br></div>
<div style="font-family:Arial;"><br></div>
<div style="font-family:Arial;">Bron.<br></div>
<div><br></div>
<div><br></div>
<div>On Wed, May 16, 2018, at 02:57, Wolfgang Breyha wrote:<br></div>
<blockquote type="cite"><div>Hi!<br></div>
<div><br></div>
<div>I'm not sure if this is a bug or intended...<br></div>
<div><br></div>
<div>cyrus checks for mailbox names including "INBOX.INBOX." since 2.5 and<br></div>
<div>prevents creation to stop buggy clients like Apple Mail from recursing.<br></div>
<div><br></div>
<div>But it still allows eg.<br></div>
<div>INBOX.INBOX.Trash<br></div>
<div>since the check is done after conversion to the internal user.<uid>... format.<br></div>
<div><br></div>
<div>INBOX.INBOX.(Trash|Sent|Drafts) is widely used by K9 (and others) as it<br></div>
<div>seems. K9 fixed it "recently" ...<br></div>
<div><a href="https://github.com/k9mail/k-9/issues/701">https://github.com/k9mail/k-9/issues/701</a><br></div>
<div>... but it seems existing configs still use this pattern.<br></div>
<div><br></div>
<div>Does cyrus intentionally allow user.<uid>.INBOX. and only prevents<br></div>
<div>user.<uid>.INBOX.INBOX.... or is this a bug and will be changed in future<br></div>
<div>versions?<br></div>
<div><br></div>
<div>With kind regards,<br></div>
<div>Wolfgang Breyha<br></div>
<div>--<br></div>
<div>Wolfgang Breyha <<a href="mailto:wbreyha@gmx.net">wbreyha@gmx.net</a>> | <a href="https://www.blafasel.at/">https://www.blafasel.at/</a><br></div>
<div>Vienna University Computer Center | Austria<br></div>
<div>----<br></div>
<div>Cyrus Home Page: <a href="http://www.cyrusimap.org/">http://www.cyrusimap.org/</a><br></div>
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</blockquote><div style="font-family:Arial;"><br></div>
<div id="sig56629417"><div class="signature">--<br></div>
<div class="signature"> Bron Gondwana, CEO, FastMail Pty Ltd<br></div>
<div class="signature"> brong@fastmailteam.com<br></div>
<div class="signature"><br></div>
</div>
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