[Tickets #12922] PGP: Bad signature for mails with to long lines

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Ticket URL: http://bugs.horde.org/ticket/12922
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  Ticket             | 12922
  Created By         | balthasarbiedermann at gmail.com
  Summary            | PGP: Bad signature for mails with to long lines
  Queue              | IMP
  Version            | 6.1.6
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             |
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balthasarbiedermann at gmail.com (2014-01-17 14:55) wrote:

Hi there,

I found a bug in in imp when you try to sign a message with pgp.

If I create a Mail with a to long line, imp does not apply automatic  
line wrapping, but uses format=flowed instead. For such a mail the PGP  
signature is shown as bad when it is checked with  
Thunderbird/Enigmail/Gpg4win or with R2Mail2 on Android. Horde itself  
shows a valid PGP signature.

For mails with no long lines (less than 78 characters per line) the  
signed mails are validated as correct with all clients.