GPG4Win question

Ingo Klöcker kloecker at
Sat Jul 12 18:22:21 CEST 2014

Hi David,

On Saturday 12 July 2014 09:02:09 david at wrote:
> <html><head>
> <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
> </head>
> <body bgcolor="#FFFFFF" text="#000000">
> <br>
> Hash: SHA1<br>
> <br>
> -----BEGIN PGP SIGNATURE-----<br>
> Version: GnuPG v1.4.11 (GNU/Linux)<br>
> Comment: Using GnuPG with Thunderbird - <a
> class="moz-txt-link-freetext"
> href=""></a><br> <br>
> iJwEAQECAAYFAlPA62MACgkQPsGd8ZKwe+f+pgQAlV7P/TqmX47kU5dt3xrW4c
> Jg<br>
> rpFuCr1KVKUJHE4WOvv1LI/FN9QUejK9M1+7OmfO5xpBrJDbOeiJMovwaTFQ4aEz<
> br>
> FITE3eiNGt57hhuZp/F5LOdLTnuaVx23mTXAHSV4fGQxtjTGSgtK9CPi2I5X6Uol<br>
> LUBORhgPEu2L0pSUDd8=<br>
> =P4Ev<br>
> -----END PGP SIGNATURE-----<br>
> <br>
> </body>
> </html>

You are sending your mails in HTML format and you are trying to use 
inline PGP signatures. This doesn't work. The HTML formatting breaks the 
inline PGP signatures. There are two ways to make it work:
a) Tell Thunderbird to send plain text messages instead of HTML 
b) Tell the Enigmail-plugin to use OpenPGP/MIME instead of inline 
OpenPGP for signatures.

The third option you have is to do a) and b), i.e. send OpenPGP/MIME-
signed plain text messages. That's what I do.

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