The mailing list for listmasters using Sympa

[Jürgen Kreutz <address@concealed>]

Hello,

one of our users reported problems with the verification of the 
signature (X509) of an archived E-Mail. She had previously sent and 
signed the message, and when she received this E-Mail from the archive 
(hitting [send it back to ...]), her E-Mail-Client reported 'Signature 
not valid'.

After some tests, it is my impression, that signed E-Mails under certain 
circumstances may be altered when sent from the archives. I observed 
warnings from my E-Mail-Client (The message appears to have been altered 
...) when the Mail contained special characters (German Umlauts) and/or 
long lines, but for mails with short lines and ASCII-only, the signature 
was successfully verified.

Is this a known problem? Searching the list archive and the FAQ did not 
enlighten me.

We are using Sympa 5.3.2, but the problem may have been present in 
earlier releases.

Thanks for any hints
Jürgen
--
Jürgen Kreutz, Fraunhofer Institut IITB, Network Operation Center (NOC)
Fraunhoferstraße 1, 76131 Karlsruhe, Germany
Telefon: +49(0)721/6091-512
mailto:address@concealed  http://www.iitb.fraunhofer.de

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