[Tickets #13149] Re: Filter rules fail depending on mumber of rules and all/any setting

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Ticket URL: http://bugs.horde.org/ticket/13149
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  Ticket             | 13149
  Updated By         | Michael Slusarz <slusarz at horde.org>
  Summary            | Filter rules fail depending on mumber of rules and
                     | all/any setting
  Queue              | Ingo
  Version            | 3.1.4
  Type               | Bug
  State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             | Michael Slusarz
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Michael Slusarz <slusarz at horde.org> (2014-05-08 12:54) wrote:

> The IMAP server does support US-ASCII so this must be a bug in the  
> server code.

For the record, this is what the IMAP server is reporting also:

  S: 3 NO [BADCHARSET (US-ASCII)] unsupported CHARSET specified

The optional parenthesized list to BADCHARSET response code lists the  
search charsets available on the server.  US-ASCII is correctly listed  
(notable, your server doesn't support UTF-8).

I would guess the server is either misparsing the syntax of the search  
query -- using one of the parsed atoms, like UNDELETED, as the CHARSET  
incorrectly -- or else it's US-ASCII parsing code of the search values  
is broken -- e.g., it is misinterpreting "Webmail" as something other  
than US-ASCII.