[Tickets #14710] Headers encoded wrongly when replying to certain senders

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Ticket URL: https://bugs.horde.org/ticket/14710
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  Ticket             | 14710
  Created By         | alexh at boxed.no
  Summary            | Headers encoded wrongly when replying to certain
                     | senders
  Queue              | Synchronization
  Version            | FRAMEWORK_5_2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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alexh at boxed.no (2017-10-16 02:27) wrote:

This is a followup on #14456. Here is what postfix spits out when an  
iPhone tires to reply to a problematic email:
Oct 16 04:15:08 popper postfix/submission/smtpd[29358]: NOQUEUE:  
reject: RCPT from localhost[127.0.0.1]: 550 5.1.1  
<=?utf-8?Q?"Lanesskog>: Recipient address rejected: User unknown in  
local recipient table; from=<alexh at boxed.no> to=<=?utf-8?Q?"Lanesskog>  
proto=ESMTP helo=<mail.boxed.no>

The original From-header from the mail storage is this:
From: =?utf-8?B?TGFuZXNza29nLCBKw7hyZ2Vu?= <Jorgen.Lanesskog at marinit.no>