[Tickets #8092] Use CATENATE extension to strip MIME parts

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Ticket URL: http://bugs.horde.org/ticket/8092
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  Ticket             | 8092
  Created By         | Michael Slusarz <slusarz at horde.org>
  Summary            | Use CATENATE extension to strip MIME parts
  Queue              | IMP
  Version            | Git master
  Type               | Enhancement
  State              | New
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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Michael Slusarz <slusarz at horde.org> (2009-03-17 08:24) wrote:

If CATENATE IMAP extension is available, use it to strip MIME parts.   
 From Appendix A of RFC 4469:

    Example 3: The following example demonstrates how the CATENATE
    extension can be used to strip attachments.  Below, a PowerPoint
    attachment was replaced by a small text part explaining that the
    attachment was stripped.

    C: A003 APPEND Drafts (\Seen \Draft $MDNSent) CATENATE
     (URL "/Drafts;UIDVALIDITY=385759045/;UID=21/;section=HEADER"
     TEXT {42}
    S: + Ready for literal data
    C:
    C: --------------030308070208000400050903
    C:  URL "/Drafts;UIDVALIDITY=385759045/;UID=21/;section=1.MIME"
     URL "/Drafts;UIDVALIDITY=385759045/;UID=21/;section=1" TEXT {255}
    S: + Ready for literal data
    C:
    C: --------------030308070208000400050903
    C: Content-type: text/plain; charset="us-ascii"
    C: Content-transfer-encoding: 7bit
    C:
    C: This body part contained a Power Point presentation that was
    C: deleted upon your request.
    C: --------------030308070208000400050903--
    C: )
    S: A003 OK append Completed